Free Dictionary API
by dictionaryapi.dev
Language and text
Added on October 31st, 2026
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What it does
The Free Dictionary API returns English word definitions with phonetics, links to pronunciation audio, parts of speech, example sentences, synonyms and antonyms. One simple request per word, for example /api/v2/entries/en/hello. Responses are JSON. Free and open source, no key needed.
More information: https://dictionaryapi.dev/