American Folklore Society Ethnographic Thesaurus

Searchable online ethnographic database covering folklore, ethnomusicology, ethnology, and related fields.

AOD Thesaurus

Alcohol and drugs thesaurus. Contains over 130,000 records and covers the period from 1972 to 2003.

Australian National University; Astronomy Thesaurus

Astronomy thesaurus compiled by Robyn and Robert Shobbrook available in English, French, German, Italian, and Spanish.

Babynames Thesaurus

An extensive database of babies names with a full explanation of their meanings.

CAB Thesaurus

Searchable database of pure and applied life sciences, technology, social sciences, global health databases and related products.

Cook's Thesaurus

Cooking encyclopedia covering thousands of ingredients and kitchen tools.

Free Thesaurus

Online synonym reference with more than 30,320 main entries. Homepage features a "word of the day".

Getty Thesaurus of Geographic Names Online

The Getty Museum provides this reference thesaurus covering topics such as geography, art, and architecture.


Provides a visual presentation of synonyms for a particular word. Offers an option to save the image presented. alextataurov

Lexical FreeNet

Online "connected thesaurus" tool allows users to find related words, words that rhyme, words that contain substrings, and more.

Online Thesaurus AU

Searchable synonyms resource with links to other online vocabulary tools and references.

Phrase Thesaurus

Online thesaurus allowing users to search for similar phrases.

Roget's Thesaurus Online

Yahoo! reference arranged by categories and alphabetically.

Synonym Finder

Offers synonyms, antonyms, and definitions, as well as a word of the day.

Online thesaurus reference resource that also provides images for search terms.

Thesaurus of Old English

Old English phrase searches with a variety of search inputs.


Provides shorter equivalent terms or synonyms for long words. Makes use of the Princeton University WordNet Database.

Visual Thesaurus

Offers a thesaurus that displays word relationships visually.


English lexical database developed by the Princeton University Cognitive Science Laboratory.


Provides a visual representation of the relationship between words through word clouds and images. Also offers definitions.


Lexical tool and reference that also features a glossary maker, quiz builder, and a crossword puzzle helper.

World Bank - Thesaurus

Terminology used by the World Bank in communications for interest-free or low-interest loans and grants in developing countries.

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