Free Dictionary

English word definitions, phonetics and audio as JSON.

📖 Books & WordsHEALTHYchecked 1h ago
AUTH NONECORS AGENT HTTPS COMMERCIAL ?

Pass a word on the URL and get back an array of entries with definitions, parts of speech, example sentences, synonyms and pronunciation audio links. Keyless and CORS-friendly, drawn from open dictionary data. Individual entries carry their own source licenses (CC BY-SA 4.0 shows up on some).

96HOW IT'S SCORED ⓘ
Status badge · for your READMEshipapis health badge: 96 · healthy
Uptime history
95.1%90 days
91.7%30 days
58P50 · ms
853P95 · ms
operationalpartialdownno data
Response time · last 48 checks
Fastest 17 ms, slowest 583 ms, most recent 29 ms.
Live response samplecaptured by our last successful check
GET https://api.dictionaryapi.dev/api/v2/entries/en/hello

{
  "word": "hello",
  "meanings_partOfSpeech": "noun",
  "firstDefinition": "\"Hello!\" or an equivalent greeting."
}
Call itcurl · fetch · python
curl "https://api.dictionaryapi.dev/api/v2/entries/en/hello"
const res = await fetch("https://api.dictionaryapi.dev/api/v2/entries/en/hello");
const data = await res.json();
console.log(data);
import requests

res = requests.get("https://api.dictionaryapi.dev/api/v2/entries/en/hello")
print(res.json())
Endpoints · 6HealthyFULL DOCS ↗
Monitored path responding — GET /entries/en/hello58 mschecked 1h ago
GET/entries/en/helloPROBED

English word definitions, phonetics and audio as JSON.

GET/entries

Entries — documented GET route.

GET/entries/1

Entries details by ID (example: 1).

GET/entries?limit=10

Entries — documented GET route.

GET/entries/search?q=test

Search by query parameters.

GET/entries/en/<word&gt

≪Word&Gt — documented GET route.

Machine-readable spec

We probe a documented GET and expect 2xx JSON — full uptime and health score. Export includes every documented route below.

Response-shape history

Stable. No schema drift observed since monitoring began — the response shape has not changed under our checks.

Free Dictionary: common questions

Is Free Dictionary free to use?

Yes — Free Dictionary is a free books & words API. Free tier: Free — limits not published. Whether the free tier allows commercial use is unclear — check the provider docs.

Does Free Dictionary need an API key?

No — Free Dictionary needs no API key or signup. You can call it straight away; rate limits still apply (450 req/window · 417 remaining · resets 1783512354).

Can I call Free Dictionary from the browser?

Yes — Free Dictionary returns CORS headers over HTTPS, so front-end code can fetch it directly with no backend proxy. Use the fetch snippet on this page, or hit "Run live" to try it now.

Is Free Dictionary up right now?

As of our last scheduled check, Free Dictionary is healthy with 95.1% uptime over 90 days and a 58 ms median response. We re-probe it every sweep — the status badge and uptime chart above always show the latest.