Array ( [0] => {{Short description|Reference work for synonyms}} [1] => {{Other uses}} [2] => [3] => A '''thesaurus''' ({{plural form}}: '''thesauri''' or '''thesauruses'''), sometimes called a '''synonym dictionary''' or '''dictionary of synonyms''', is a [[reference work]] which arranges words by their meanings (or in simpler terms, a book where you can find different words with same meanings to other words),{{Citation |title=thesaurus, n. |url=https://www.oed.com/view/Entry/200648 |work=OED Online |publisher=Oxford University Press |language=en-GB |access-date=2023-01-21}}{{Cite book |url=https://www.worldcat.org/oclc/321014234 |title=Oxford thesaurus of English. |date=2009 |publisher=Oxford University Press |others=Maurice Waite |isbn=978-0-19-956081-3 |edition=3rd |location=Oxford |oclc=321014234}} sometimes as a hierarchy of [[Hyponymy and hypernymy|broader and narrower terms]], sometimes simply as lists of [[synonym]]s and [[antonym]]s. They are often used by writers to help find the best word to express an idea: [4] => {{Quote|text=...to find the word, or words, by which [an] idea may be most fitly and aptly expressed [5] => |author=[[Peter Mark Roget]], 1852Roget, Peter. 1852. ''Thesaurus of English Language Words and Phrases''.}} [6] => [7] => Synonym dictionaries have a long history. The word 'thesaurus' was used in 1852 by [[Peter Mark Roget]] for his ''[[Roget's Thesaurus]]''. [8] => [9] => While some works called "thesauri", such as ''Roget's Thesaurus'', group words in a [[hierarchy|hierarchical]] [[hypernym|hypernymic]] [[taxonomy (general)|taxonomy]] of concepts, others are organised alphabetically{{Cite book |url=https://www.worldcat.org/oclc/57506786 |title=The Merriam-Webster thesaurus. |date=2005 |publisher=Merriam-Webster |isbn=978-0-87779-637-4 |location=Springfield, Massachusetts |oclc=57506786}} or in some other way. [10] => [11] => Most thesauri do not include definitions, but many dictionaries include listings of synonyms. [12] => [13] => Some thesauri and dictionary synonym notes characterise the distinctions between similar words, with notes on their "connotations and varying shades of meaning".''American Heritage Dictionary of the English Language'', 5th edition, Houghton Mifflin Harcourt 2011, {{isbn|9780547041018}}, p. xxvii Some synonym dictionaries are primarily concerned with differentiating synonyms by meaning and usage. [[Usage dictionary|Usage manuals]] such as Fowler's ''[[A Dictionary of Modern English Usage|Dictionary of Modern English Usage]]'' or ''[[Garner's Modern English Usage]]'' often [[Linguistic prescription|prescribe]] appropriate usage of synonyms. [14] => [15] => Writers sometimes use thesauri to avoid repetition of words – [[elegant variation]] – which is often criticised by usage manuals: "Writers sometimes use them not just to vary their vocabularies but to dress them up too much".[[Edwin L. Battistella]], "Beware the thesaurus", OUPblog, "Oxford University Press's Academic Insights for the Thinking World", [https://blog.oup.com/2018/02/beware-the-thesaurus/ February 11, 2018] [16] => [17] => == Etymology == [18] => The word "thesaurus" comes from [[Latin]] ''[[wikt:en:thesaurus#Latin|thēsaurus]]'', which in turn comes from [[Ancient Greek|Greek]] {{lang|grc|[[wikt:en:θησαυρός#Ancient Greek|θησαυρός]]}} (''thēsauros'') 'treasure, treasury, storehouse'.[http://www.etymonline.com/index.php?term=thesaurus "thesaurus"]. ''[[Online Etymology Dictionary]]''. The word ''thēsauros'' is of uncertain etymology.[[Robert S. P. Beekes|R. S. P. Beekes]], ''Etymological Dictionary of Greek'', Brill, 2009, p. 548.''[[Oxford English Dictionary]]'' [https://www.oed.com/view/Entry/200648 ''s.v.''] [19] => [20] => Until the 19th century, a thesaurus was any [[dictionary]] or [[encyclopedia]], as in the ''[[Thesaurus Linguae Latinae]]'' (''Dictionary of the Latin Language'', 1532), and the ''[[Thesaurus Linguae Graecae]]'' (''Dictionary of the Greek Language'', 1572). It was Roget who introduced the meaning "collection of words arranged according to sense", in 1852. [21] => [22] => == History == [23] => [[File:Roget P M.jpg|150px|right|thumb|Peter Mark Roget, author of ''Roget's thesaurus'']] [24] => In antiquity, [[Philo of Byblos]] authored the first text that could now be called a thesaurus. In [[Sanskrit]], the [[Amarakosha]] is a thesaurus in verse form, written in the 4th century. [25] => [26] => The study of synonyms became an important theme in 18th-century philosophy, and [[Etienne Bonnot de Condillac|Condillac]] wrote, but never published, a dictionary of synonyms.Embleton [27] => [28] => Some early synonym dictionaries include: [29] => * [[John Wilkins]], ''[[An Essay Towards a Real Character, and a Philosophical Language]]'' and ''Alphabetical Dictionary'' (1668) is a "regular enumeration and description of all those things and notions to which names are to be assigned". They are not explicitly synonym dictionaries — in fact, they do not even use the word "synonym" — but they do group synonyms together.John Wilkins, ''An Essay Towards a Real Character, and a Philosophical Language'', London 1668 [https://archive.org/details/AnEssayTowardsARealCharacterAndAPhilosophicalLanguage/page/n7/mode/2up full text]John Wilkins, William Lloyd (anonymously), ''An Alphabetical Dictionary Wherein all English Words According to their Various Significations, Are either referred to their Places in the Philosophical Tables, Or explained by such Words as are in those Tables'', London 1668 [https://books.google.com/books?id=ErlplQnAWz4C full text]Natascia Leonardi, "An Analysis of a Seventeenth Century Conceptual Dictionary with an Alphabetical List of Entries and a Network Definition Structure: John Wilkins' and William Lloyd's ''An Alphabetical Dictionary'' (1668)" in ''Historical Dictionaries and Historical Dictionary Research'', papers from the ''International Conference on Historical Lexicography and Lexicology'', University of Leicester, 2002, Max Niemeyer Verlag 2004, {{isbn|3484391235}}, p. 39-52 [30] => * [[Gabriel Girard (priest)|Gabriel Girard]], ''La Justesse de la langue françoise, ou les différentes significations des mots qui passent pour synonymes'' (1718)Gabriel Girard, ''La Justesse de la langue françoise, ou les différentes significations des mots qui passent pour synonymes'', Paris 1718, [http://visualiseur.bnf.fr/Visualiseur?Destination=Gallica&O=NUMM-50626 full text] [31] => * [[John Trusler]], ''The Difference between Words esteemed Synonyms, in the English Language; and the proper choice of them determined'' (1766)John Trusler (anonymously), ''The Difference between Words esteemed Synonyms, in the English Language; and the proper choice of them determined'', London, 1766 [https://babel.hathitrust.org/cgi/pt?id=uc1.31175014957412&view=1up&seq=13 full text] [32] => * [[Hester Lynch Piozzi]], ''British Synonymy'' (1794)Hester Lynch Piozzi, ''British Synonymy; or, an Attempt Regulating the Choice of Words in Familiar Conversation'', Dublin 1794 [https://babel.hathitrust.org/cgi/pt?id=mdp.39015024527288&view=1up&seq=7 full text] [33] => * James Leslie, ''Dictionary of the Synonymous Words and Technical Terms in the English Language'' (1806)James Leslie, ''Dictionary of the Synonymous Words and Technical Terms in the English Language'', Edinburgh, 1806 [https://babel.hathitrust.org/cgi/pt?id=nyp.33433069257057&view=1up&seq=1 full text] [34] => * [[George Crabb (writer)|George Crabb]], ''English Synonyms Explained'' (1818)George Crabb, ''English Synonyms Explained, in Alphabetical Order with Copious Illustrations and Examples Drawn from the Best Writers'', 2nd edition, London 1818 [https://babel.hathitrust.org/cgi/pt?id=nyp.33433069256901 full text] [35] => [36] => ''[[Roget's Thesaurus]]'', first compiled in 1805 by Peter Mark Roget, and published in 1852, follows [[John Wilkins]]' semantic arrangement of 1668. Unlike earlier synonym dictionaries, it does not include definitions or aim to help the user choose among synonyms. It has been continuously in print since 1852 and remains widely used across the English-speaking world.{{cite journal|url=http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780199254729.001.0001/acprof-9780199254729-chapter-1|title=Introduction - Oxford Scholarship|website=oxfordscholarship.com|year=2003|access-date=26 March 2018|doi=10.1093/acprof:oso/9780199254729.001.0001|last1=Hüllen|first1=Werner|isbn=978-0-19-925472-9}} Roget described his thesaurus in the foreword to the first edition:{{cite book|editor-last=Lloyd |editor-first=Susan M. |date=1982 |page=xix |title=Roget's Thesaurus of English Words and Phrases|publisher=Longman |edition=New|location=Harlow |contribution=Prefact to the first edition, 1852 |last=Roget |first=P. M. |contribution-url=https://archive.org/details/rogetsthesauruso00lloy/page/n22/mode/1up |contribution-url-access=registration}} [37] => [38] =>
It is now nearly fifty years since I first projected a system of verbal classification similar to that on which the present work is founded. Conceiving that such a compilation might help to supply my deficiencies, I had, in the year 1805, completed a classed catalogue of words on a small scale, but on the same principle, and nearly in the same form, as the Thesaurus now published. [39] =>
[40] => [41] => ==Organization== [42] => [43] => ===Conceptual=== [44] => Roget's original thesaurus was organized into 1000 conceptual Heads (e.g., 806 Debt) organized into a four-level [[taxonomy (general)|taxonomy]]. For example, debt is classed under V.{{Smallcaps|ii}}.iv:Peter Mark Roget, ''Thesaurus of English words and phrases, classified so as to facilitate the expression of ideas'', 1853, [https://books.google.com/books?id=2c4WAAAAQAAJ&pg=PA204 V.{{Smallcaps|ii}}.iv, p. 204] [45] => :Class five, ''Volition: the exercise of the will'' [46] => ::Division Two: ''Social volition'' [47] => :::Section 4: ''Possessive Relations'' [48] => ::::Subsection 4: ''Monetary relations''. [49] => Each head includes direct synonyms: Debt, obligation, liability, ...; related concepts: interest, usance, usury; related persons: debtor, debitor, ... defaulter (808); verbs: to be in debt, to owe, ... ''see'' Borrow (788); phrases: to run up a bill or score, ...; and adjectives: in debt, indebted, owing, .... Numbers in parentheses are [[cross-reference]]s to other Heads. [50] => [51] => The book starts with a Tabular Synopsis of Categories laying out the hierarchy,Roget, ''op.cit.'' [https://books.google.com/books?id=2c4WAAAAQAAJ&pg=PR26 p. xxvi] then the main body of the thesaurus listed by the Head, and then an alphabetical index listing the different Heads under which a word may be found: Liable, ''subject to'', 177; ''debt'', 806; ''duty'', 926.Roget, ''op.cit.'' [https://books.google.com/books?id=2c4WAAAAQAAJ&pg=PA349 p. 349] [52] => [53] => Some recent versions have kept the same organization, though often with more detail under each Head.''e.g.'', George Davidson, ed., ''Thesaurus of English words and phrases'' (150th Anniversary Edition), Penguin, 2002, {{isbn|0141004428}}, p. 454 Others have made modest changes such as eliminating the four-level taxonomy and adding new heads: one has 1075 Heads in fifteen Classes.[[Barbara Ann Kipfer]], ed., ''Roget's International Thesaurus'', 7th edition, Collins Reference, 2010, {{isbn|9780061715228}} [54] => [55] => Some non-English thesauri have also adopted this model.Daniel Péchoin, ''Thésaurus Larousse'', Larousse 1991, {{isbn|9782033201074}} [56] => [57] => In addition to its taxonomic organization, the ''[[Historical Thesaurus of English]]'' (2009) includes the date when each word came to have a given meaning. It has the novel and unique goal of "charting the semantic development of the huge and varied vocabulary of English". [58] => [59] => Different senses of a word are listed separately. For example, three different senses of "debt" are listed in three different places in the taxonomy:Christian Kay, Jane Roberts, Michael Samuels, Irené Wotherspoon, ''Historical Thesaurus of the Oxford English Dictionary'', Oxford University Press 2009, {{isbn|9780199208999}}, p. ix [60] =>
'''A sum of money that is owed or due; a liability or obligation to pay'''
[61] => :Society [62] => ::Trade and Finance [63] => :::Management of Money [64] => ::::Insolvency [65] => :::::Indebtedness [noun] [66] =>
'''An immaterial debt; is an obligation to do something'''
[67] => :Society [68] => ::Morality [69] => :::Duty or obligation [70] => ::::[noun] [71] =>
'''An offence requiring expiation (figurative, Biblical)'''
[72] => :Society [73] => ::Faith [74] => :::Aspects of faith [75] => ::::Spirituality [76] => :::::Sin [77] => ::::::[noun] [78] => :::::::instance of [79] => [80] => ===Alphabetical=== [81] => [82] => Other thesauri and synonym dictionaries are organized alphabetically. [83] => [84] => Most repeat the list of synonyms under each word.''Longman Synonym Dictionary'', Rodale Press and Longman Group, 1986, {{isbn|0582893224}}Charlton Laird, Michael Agnes, eds., ''Webster's New World Roget's A-Z Thesaurus'', Macmillan USA, 3rd edition, 1971, {{isbn|0028632818}}Christine A. Lindberg, ''The Oxford American Thesaurus of Current English'', Oxford University Press, 1999, {{isbn|0195133757}}''Oxford Thesaurus of English'', 3rd edition, 2009, {{isbn|9780199560813}} [85] => [86] => Some designate a principal entry for each concept and cross-reference it.''Merriam-Webster's Dictionary of Synonyms : Choose Words with Precision'', 1994, {{isbn|0877799067}} uses an asteriskHenri Bertaud du Chazaud, ''Dictionnaire de synonyms et contraires'', Le Robert "Les Usuels", 1998, {{isbn|2850364568}}Roger Boussinot, ''Dictionnaire des synonymes, analogies et antonymes'', Bordas 1981, {{isbn|2040120092}} [87] => [88] => A third system interfiles words and conceptual headings. [[Francis March]]'s ''Thesaurus Dictionary'' gives for ''liability'': {{sc|Contingency, Credit–Debt, Duty–Dereliction, Liberty–Subjection, Money}}, each of which is a conceptual heading. [89] => Francis Andrew March, Francis A. March, Jr., ''March's Thesaurus and Dictionary of the English Language'' (issued under the editorial supervision of [[Norman Cousins]]), Doubleday, 1968, p. 598 [https://books.google.com/books?id=7QUxAQAAMAAJ full text, 1906 edition] The {{sc|Credit—Debt}} article has multiple subheadings, including Nouns of Agent, Verbs, Verbal Expressions, ''etc.'' Under each are listed synonyms with brief definitions, ''e.g.'' "'''Credit.''' Transference of property on promise of future payment." The conceptual headings are not organized into a taxonomy. [90] => [91] => Benjamin Lafaye's ''Synonymes français'' (1841) is organized around [[morphology (linguistics)|morphologically]] related families of synonyms (''e.g.'' ''logis, logement''),Pierre Benjamin Lafaye, ''Synonymes français'', Paris 1841 [https://books.google.com/books?id=19cSAAAAYAAJ full text] and his ''Dictionnaire des synonymes de la langue française'' (1858) is mostly alphabetical, but also includes a section on morphologically related synonyms, which is organized by prefix, suffix, or construction. [92] => [93] => ===Contrasting senses=== [94] => [95] => Before Roget, most thesauri and dictionary synonym notes included discussions of the differences among near-synonyms, as do some modern ones. [96] => [97] => ''Merriam-Webster's Dictionary of Synonyms'' is a stand-alone modern English synonym dictionary that does discuss differences. In addition, many general English dictionaries include synonym notes. [98] => [99] => Several modern synonym dictionaries in French are ''primarily'' devoted to discussing the precise demarcations among synonyms.Henri Bénac, ''Dictionnaire des synonymes'', Hachette 1956, {{isbn|2010112199}} (1982 edition)B. Lafaye, ''Dictionnaire des synonymes de la langue française'', Hachette 1869, 3rd edition [100] => [101] => ===Additional elements=== [102] => [103] => Some include short definitions. [104] => [105] => Some give illustrative phrases. [106] => [107] => Some include lists of objects within the category ([[hyponym]]s), ''e.g.'' breeds of dogs. [108] => [109] => ==Bilingual== [110] => [111] => Bilingual synonym dictionaries are designed for language learners. One such dictionary gives various French words listed alphabetically, with an English translation and an example of use.R.E. Batchelor, M.H. Offord, ''Using French Synonyms'', Cambridge University Press, 1993, {{isbn|0521372771}} Another one is organized taxonomically with examples, translations, and some usage notes.Marie-Noëlle Lamy, ''The Cambridge French-English Thesaurus'', Cambridge University Press, 1998, {{isbn|0521563488}} [112] => [113] => ==Information science and natural language processing== [114] => {{main|Thesaurus (information retrieval)}} [115] => In [[library science|library]] and [[information science]], a thesaurus is a kind of [[controlled vocabulary]]. [116] => [117] => A thesaurus can form part of an [[Ontology (computer science)|ontology]] and be represented in the [[Simple Knowledge Organization System]] (SKOS).{{Cite journal|last1=Miles|first1=Alistair|last2=Bechhofer|first2=Sean|date=2009|title=SKOS simple knowledge organization system reference|url=https://www.w3.org/TR/skos-reference/|journal=W3C Recommendation|language=en|volume=18|pages=W3C}} [118] => [119] => Thesauri are used in [[natural language processing]] for [[word-sense disambiguation]]Yarowsky, David. "[https://aclanthology.info/pdf/C/C92/C92-2070.pdf Word-sense disambiguation using statistical models of Roget's categories trained on large corpora]." Proceedings of the 14th conference on Computational linguistics-Volume 2. Association for Computational Linguistics, 1992. and [[text simplification]] for [[machine translation]] systems.Siddharthan, Advaith. "An architecture for a text simplification system." Language Engineering Conference, 2002. Proceedings. IEEE, 2002. [120] => [121] => ==See also== [122] => * [[Conceptual dictionary]] [123] => [124] => ==Bibliography== [125] => * W.E. Collinson, "Comparative Synonymics: Some Principles and Illustrations", ''Transactions of the Philological Society'' '''38''':1:54–77, November 1939, {{doi|10.1111/j.1467-968X.1939.tb00202.x}} [126] => * Gerda Hassler, "Lafaye's ''Dictionnaire des synonymes'' in the History of Semantics" in Sheli Embleton, John E. Joseph, Hans-Josef Hiederehe, ''The Emergence of the Modern Language Sciences'', John Benjamins 1999, {{isbn|1556197594}}, p. '''1''':27–40 [127] => * Werner Hüllen, "Roget's Thesaurus, deconstructed" in ''Historical Dictionaries and Historical Dictionary Research'', papers from the ''International Conference on Historical Lexicography and Lexicology'', University of Leicester, 2002, Max Niemeyer Verlag 2004, {{isbn|3484391235}}, p. 83–94 [128] => * Werner Hüllen, ''A history of Roget's thesaurus : origins, development, and design'', Oxford University Press 2004, {{isbn|0199254729}} [129] => * Werner Hüllen, ''Networks and Knowledge in Roget's Thesaurus'', Oxford, January 2009, {{doi|10.1093/acprof:oso/9780199553235.001.0001}}, {{isbn|0199553238}} [130] => * Gertrude E. Noyes, "The Beginnings of the Study of Synonyms in England", ''Publications of the Modern Language Association of America (PMLA)'' '''66''':6:951–970 (December 1951) {{doi|10.2307/460151}} {{JSTOR|460151}} [131] => * Eric Stanley, "Polysemy and Synonymy and how these Concepts were Understood from the Eighteenth Century onwards in Treatises, and Applied in Dictionaries of English" in ''Historical Dictionaries and Historical Dictionary Research'', papers from the ''International Conference on Historical Lexicography and Lexicology'', University of Leicester, 2002, Max Niemeyer Verlag 2004, {{isbn|3484391235}}, p. 157–184 [132] => [133] => == References == [134] => {{Reflist}} [135] => [136] => == External links == [137] => * {{Wiktionary-inline|thesaurus}} [138] => * The [[wiktionary:Wiktionary:Thesaurus|Wiktionary Thesaurus]] [139] => * {{curlie|/en/Reference/Thesauri|English Thesauri}} [140] => * [https://www.onelook.com/thesaurus/ OneLook Thesaurus] in ''OneLook'' online [141] => [142] => {{Lexicography}} [143] => {{Authority control}} [144] => [[Category:Thesauri (lexicography)| ]] [145] => [[Category:Reference works]] [146] => [[Category:Dictionaries by type]] [147] => [[Category:Lexical semantics]] [148] => [149] => [[es:Tesauro#En literatura]] [] => )
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Thesaurus

A thesaurus is a reference source that provides synonyms (words with similar meanings) and sometimes antonyms (words with opposite meanings) for various terms. It is a valuable tool for writers, students, and language enthusiasts, helping them find alternative words and expand their vocabulary.

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It is a valuable tool for writers, students, and language enthusiasts, helping them find alternative words and expand their vocabulary. Thesauri can be organized alphabetically or conceptually, with entries often including definitions and usage examples. While the most famous thesaurus is Roget's Thesaurus, many other types and versions exist, both in print and online. This Wikipedia page on thesaurus provides an overview of their history, types, applications, and prominent examples, offering readers a comprehensive source of information on this invaluable linguistic resource.

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