/API TERMS
API Terms/Other/Free Dictionary API

Free Dictionary API

dictionaryapi.dev

Returns definitions, phonetics, pronunciations, parts of speech, examples, synonyms and antonyms for English words via a REST endpoint.

The Free Dictionary API API uses none authentication; has free pricing; offers a free tier (Free to use; API is and always will be free). Verified 2026-07-12 with per-field source links.

Other Verified 2026-07-12 medium confidence
Base URL
https://api.dictionaryapi.dev/api/v2/entries/en/
dictionaryapi.dev ↗
Auth
none
dictionaryapi.dev ↗
Free tier
Free to use; API is and always will be free
dictionaryapi.dev ↗
Pricing model
free
dictionaryapi.dev ↗
Pricing
Free, donation-supported
dictionaryapi.dev ↗
Rate limits
not documented null
no source
OpenAPI spec
not documented null
no source
MCP server
not documented null
no source