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Free Dictionary

Books & Learning No key Editor's pick

AuthenticationNo key
Rate limitNo key; fair use.

Documentation: dictionaryapi.dev ยท Checked Sep 13, 2026

About

The Free Dictionary API returns definitions, parts of speech, phonetics, audio pronunciations, and example sentences for English words. One simple URL per word, no key, no sign-up.

Details

No key needed. You can call it right away.

Auth: No key

Rate limit: No key; fair use.

Verified: 2026-09-13

Best for: words learning definitions

Read the docs Back to catalog

Setup

  1. Visit https://dictionaryapi.dev for the docs.
  2. Look up a word: https://api.dictionaryapi.dev/api/v2/entries/en/hello.
  3. Swap 'hello' for any English word.
  4. The response includes meanings, phonetics, and audio links.
  5. No key needed.
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