View source for thesaurus

{{also|Thesaurus|thésaurus}}
{{selfref|For the Wiktionary thesaurus, see [[Wiktionary:Thesaurus]]}}
==English==
{{wikipedia}}

===Etymology===
16th century, from {{bor|en|la|thēsaurus}}, from {{der|en|grc|θησαυρός||storehouse, treasure}}; its current English usage/meaning was established soon after the publication of Peter Roget's ''Thesaurus of English Words and Phrases'' in 1852. {{doublet|en|treasure}}.

===Pronunciation===
* {{IPA|en|/θɪˈsɔːɹəs/}}
* {{audio|en|LL-Q1860 (eng)-Vealhurl-thesaurus.wav|a=Southern England}}
* {{rhymes|en|ɔːɹəs|s=3}}

===Noun===
{{en-noun|thesauri|+}}

# {{senseid|en|type of wordbook, especially for synonyms}} A [[publication]] that provides [[synonym]]s (and sometimes [[antonym]]s and other {{l|en|semantic}} relations) for the [[word]]s of a given [[language]].
#: {{syn|en|synonymicon}}
#: {{ux|en|"Roget" is the leading brand name for a print English '''thesaurus''' that lists words under general concepts rather than just close synonyms.}}
#* {{quote-journal|en|date=April 18, 2008|author=Charles Mcgrath|title=The Keeper (See: Steward, Caretaker) of Synonyms|work=New York Times|url=http://www.nytimes.com/2008/04/18/books/18book.html|passage=As reference books go, the '''thesaurus''' has had a somewhat checkered history, in fact, and has probably occasioned as much bad writing as good.}}
# {{senseid|en|dictionary or encyclopedia, archaically}} {{lb|en|archaic}} A [[dictionary]] or [[encyclopedia]].
# {{senseid|en|hierarchy of subject headings}} {{lb|en|information science}} A [[hierarchy]] of [[subject]] [[heading]]s: [[canonical]] titles of [[theme]]s and [[topic]]s, the titles serving as search keys.
#: {{cot|en|catalogue|controlled vocabulary|index}}

====Derived terms====
{{col-auto|en
|metathesaurus
|thesaural
|thesauruslike
}}

====Translations====
{{trans-top|book of synonyms}}
* Arabic: {{t|ar|مَكْنَز|m}}
* Armenian: {{t|hy|[[հոմանիշների]] [[բառարան]]}}, {{t+|hy|թեզաուրուս}} {{qualifier|rare}}, {{t|hy|հոմանիշարան}} {{qualifier|rare}}
* Bulgarian: {{t|bg|[[синони́мен]] [[ре́чник]]|m}}
* Catalan: {{t|ca|diccionari de sinònims}}
* Chinese:
*: Mandarin: {{t|cmn|[[同義詞]][[詞典]]|tr=tóngyìcí cídiǎn}}
* Czech: {{t|cs|tezaurus|m}}
* Danish: {{t|da|begrebsordbog|c}}, {{t|da|saggruppeordbog|c}}, {{t|da|tesaurus}}, {{t|da|synonymordbog|c}}
* Dutch: {{t+|nl|thesaurus|m}}, {{t|nl|synoniemenboek|n}}
* Dzongkha: {{t|dz|མངོན་བརྗོད}}
* Esperanto: {{t|eo|sinonimaro}}, {{t+|eo|tezaŭro}},
* Faroese: {{t|fo|samheitabók|f}}
* Finnish: {{t+|fi|synonyymisanakirja}}, {{t|fi|käsitesanakirja}}
* French: {{t+|fr|dictionnaire des synonymes}}, {{t+|fr|thésaurus|m}}, {{t|fr|dictionnaire de notions}}, {{t|fr|dictionnaire par ordre de matières}}
* Galician: {{t|gl|dicionario de sinónimos|m}}
* Georgian: {{t|ka|თეზაურუსი}}, {{t|ka|სინონიმების ლექსიკონი}}
* German: {{t+|de|Thesaurus|m}}, {{t|de|Begriffswörterbuch|n}}, {{t|de|Sachgruppenwörterbuch|n}}, {{t+|de|Synonymwörterbuch|n}}
* Greek: {{t+|el|θησαυρός|m}}
* Hebrew: {{t+|he|אֶגְרוֹן|m|tr=egrón}}
* Hindi: {{t|hi|पर्यायकोश|m|tr=paryāyakoś}}, {{t|hi|प्रतिशब्दकोश|m|tr=pratiśabdakoś}}, {{t+|hi|शब्दकोश|m|tr=śabdakoś}}
* Hungarian: {{t+|hu|szinonimaszótár}}, {{t|hu|tézaurusz}}, {{t|hu|[[tematikus]] [[szókincstár]]}}
* Icelandic: {{t|is|hugtakaorðabók|f}}
* Ido: {{t|io|tezauro}}
* Indonesian: {{t+|id|tesaurus}}
* Irish: {{t|ga|stórchiste|m}}
* Italian: {{t|it|dizionario dei sinonimi}}, {{t+|it|tesoro|m}}
* Japanese: {{t+|ja|シソーラス|tr=shisōrasu}}, {{t|ja|類語辞典|tr=るいごじてん, ruigo jiten}}
* Khmer: {{t|km|[[កំរង]][[វេវចនៈ]][[សព្ទ]]|tr=kɑmrɑɑng veevĕəʼcaʼnaʼ sap}}
* Korean: {{t|ko|[[유의어]] [[사전]](類義語辭典)}}
* Latvian: {{t|lv|tēzaurs|m}}
* Lithuanian: {{t|lt|tezauras|m}}, {{t|lt|[[sinonimas|sinonimų]] [[žodynas]]|m}}
* Macedonian: {{t|mk|тезаурус|m}}, {{t|mk|синони́мен речник|m}}
* Malay: {{t+|ms|tesaurus}}
* Maori: {{t|mi|puna kupu taurite}}, {{t|mi|punakupu}}
* Norwegian:
*: Bokmål: {{t|nb|begrepsordbok|m|f}}, {{t|nb|begrepsklasseordbok|m|f}}, {{t|nb|omgrepsordbok|m|f}}, {{t|nb|omgrepsklasseordbok|m|f}}, {{t|nb|tesaurus}}, {{t|nb|synonymordbok|m|f}}
* Occitan: {{t+|oc|diccionari|m}}
* Polish: {{t+|pl|tezaurus|m-in}}, {{t|pl|[[słownik]] [[wyraz|wyrazów]] [[bliskoznaczny|bliskoznacznych]]|m}}, {{t|pl|[[słownik]] [[synonim|synonimów]]|m}}
* Portuguese: {{t|pt|dicionário de sinónimos|m}} {{qualifier|Portugal}}, {{t|pt|dicionário de sinônimos|m}} {{qualifier|Brazil}}, {{t+|pt|tesauro|m}}, {{t+|pt|thesaurus|m}}
* Romanian: {{t|ro|dicționar de sinonime|n}}
* Russian: {{t+|ru|теза́урус|m|tr=tɛzáurus}}, {{t|ru|[[слова́рь]] [[синоним|сино́нимов]]|m}}
* Scottish Gaelic: {{t|gd|co-fhaclair|m}}
* Serbo-Croatian:
*: Cyrillic: {{t|sh|речник синонима|m}}, {{t|sh|теза̀урус|m}}
*: Roman: {{t|sh|rečnik sinonima|m}}, {{t+|sh|tezàurus|m}}
* Sinhalese: {{t|si|සමාන පද නාමාවලිය}}
* Slovak: {{t|sk|tezaurus|m}}
* Spanish: {{t|es|diccionario de sinónimos|m}}, {{t+|es|tesoro|m}}
* Swedish: {{t+|sv|begreppsordbok|c}}, {{t|sv|begreppsklassordbok}}, {{t+|sv|tesaurus|c}}, {{t+|sv|synonymordbok|c}}
* Tagalog: {{t|tl|talasimpanan}}
* Thai: {{t+|th|อรรถาภิธาน}}
* Turkish: {{t|tr|eşanlamlılar sözlüğü}}, {{t|tr|tesarus}}
* Welsh: {{t+|cy|thesawrws}}
{{trans-bottom}}

{{trans-top|information science: hierarchy of titles}}
* Catalan: {{t+|ca|tesaurus|m}}
* Czech: {{t|cs|tezaurus|m}}
* Finnish: {{t|fi|käsitesanakirja}}, {{t+|fi|tesaurus}}
* Russian: {{t|ru|[[предме́тный]] [[указа́тель]]|m}}
{{trans-bottom}}

===See also===
* {{l|en|ontology}}
* [[Wiktionary:Thesaurus|Wiktionary's thesaurus]]
* [[Appendix:Roget's thesaurus classification]]
* [[Appendix:Roget MICRA thesaurus]]
* [[Appendix:Moby Thesaurus II]]

===Further reading===
* {{R:Webster 1913}}
* {{R:Century 1911|url=http://triggs.djvu.org/century-dictionary.com/cent2jpgframes.php?volno=08&page=6285}}
* [https://www.onelook.com/thesaurus/ OneLook Thesaurus] in ''OneLook'', 2023

{{c|en|Reference works|Dictionaries}}

==Latin==

===Alternative forms===
* {{alt|la|thensaurus||acl}}
* {{alt|la|tēsaurus|tēsōrus||[[Low Latin]]}}

===Etymology===
From {{der|la|grc|θησαυρός||storehouse, treasure}}.

===Pronunciation===
* {{la-IPA|eccl=yes|thēsaurus}}

===Noun===
{{la-noun|thēsaurus<2>}}

# [[treasure]], [[hoard]]
#* {{RQ:Vulgate|Daniel|1|2|passage={{...}} et vasa intulit in domum '''thesauri''' dei sui|translation="{{...}} and he brought the vessels into the '''treasure''' house of his god."}}
# a [[dear]] [[friend]], [[loved one]]
# a [[vault]] for treasure
# [[chest]], [[strongbox]]
# [[repository]], [[collection]]

====Declension====
{{la-ndecl|thēsaurus<2>}}

====Derived terms====
* {{l|la|thēsaurārius}}
* {{l|la|thēsaurensis}}
* {{l|la|thēsaurizātor}}
* {{l|la|thēsaurizō}}

====Descendants====
{{top2}}
* {{desc|sq|thesar|bor=1}}
* {{desc|ca|tresor}}, {{desc|ca|tesaurus|bor=1|nolb=1}}
* {{desc|en|thesaurus|bor=1}}
** {{desc|cy|thesawrws|bor=1}}
* {{desc|fr|thésaurus|bor=1}}
* {{desc|de|Thesaurus|bor=1}}
* {{desc|it|tesauro|tesoro}}
* {{desctree|fro|tresor}}
* {{desc|roa-opt|tesouro}}
** {{desc|gl|tesouro}}
** {{desc|pt|tesouro|alts=1}}
* {{desc|pms|tesòr}}
* {{desc|pt|tesauro|bor=1}}
* {{desc|ro|tezaur}}
* {{desc|es|tesoro}}, {{desc|es|tesauro|bor=1|nolb=1}}
{{bottom}}

===References===
* {{R:L&S}}
* {{R:Elementary Lewis}}
* {{R:du Cange}}
* {{R:Gaffiot}}
* {{R:Peck}}
* {{R:Smith's Antiquities}}

==Portuguese==

===Etymology===
{{ubor|pt|la|thesaurus}}.

===Pronunciation===
{{pt-IPA|tesáurus}}

===Noun===
{{pt-noun|m|thesauri|pl2=#}}

# {{alternative form of|pt|tesauro}}