dictionary

name	dictionary
description	Look up word definitions, phonetics, synonyms, and usage examples using the Free Dictionary API.

Dictionary

Look up word definitions, phonetics, synonyms, and usage examples using the Free Dictionary API.

Category: education API Key Required: No

When to use

• User asks "what does X mean?"
• User wants the definition, pronunciation, or synonyms of a word
• User asks for word usage examples

How it works

Look up a word

curl -s "https://api.dictionaryapi.dev/api/v2/entries/en/serendipity"

Returns array of meanings with:

• phonetic — pronunciation text
• phonetics[].audio — MP3 pronunciation URL
• meanings[].partOfSpeech — noun, verb, adjective, etc.
• meanings[].definitions[].definition — the definition
• meanings[].definitions[].example — usage example
• meanings[].synonyms — synonym list

Other languages

Replace en with: es, fr, de, it, pt, ar, hi, ja, ko, ru, tr, zh

curl -s "https://api.dictionaryapi.dev/api/v2/entries/fr/bonjour"

Examples

User: "Define 'ephemeral'" → Query the API. Reply with part of speech, definition, example sentence, and synonyms.

User: "How do you pronounce 'quinoa'?" → Return the phonetic text and audio URL if available.

Constraints

• Free, no key needed
• Returns 404 for unknown words — handle gracefully
• English has the best coverage; other languages may have gaps