Free Dictionary API

Free Dictionary API — The Free Dictionary API provides access to dictionary d…

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Free Dictionary API exposes the Free Dictionary API provides access to dictionary data sourced from Wiktionary. It allows users to retrieve definitions, pronunciations, synonyms, antonyms, and translations for words in various languages without requiring an API key. We verified a keyless GET endpoint returning JSON (Open Data). Check the provider docs for rate limits and terms before production use.

HOW IT'S SCORED ⓘ
Status badge · for your READMEshipapis health badge: — · unmonitored
ON PROBE SCHEDULE

We probe a documented GET and expect 2xx JSON — full uptime and health score. Open provider docs ↗

Uptime historystarts after first probe

On our probe schedule. Uptime charts appear after the first check lands.

Example responsefrom provider docs — not verified by us
GET https://freedictionaryapi.com/api/v1/entries/en/hello

{
  "word": "hello",
  "entries": [
    {
      "language": {
        "code": "en",
        "name": "English"
      },
      "partOfSpeech": "interjection",
      "pronunciations": [
        {
          "type": "ipa",
          "text": "/hɛˈloʊ/",
          "tags": [
            "General American"
          ]
        },
        {
          "type": "ipa",
          "text": "/həˈloʊ/",
          "tags": [
            "General American"
          ]
        }
      ],
      "forms": [
        {
          "word": "hallo",
          "tags": [
            "alternative"
          ]
        },
        {
          "word": "hilloa",
          "tags": [
            "alternative",
            "obsolete"
          ]
        }
      ],
      "senses": [
        {
          "definition": "A greeting (salutation) said when meeting someone or acknowledging someone’s arrival or presence.",
          "tags": [],
          "examples": [
            "Hello, everyone."
          ],
          "quotes": [],
          "synonyms": [],
          "antonyms": [],
          "subsenses": []
        },
        {
          "definition": "A greeting used when answering the telephone.",
          "tags": [],
          "examples": [
            "Hello? How may I help you?",
            "Hello. This is Marsha. ― Yes, Marsha."
          ],
          "quotes": [],
          "synonyms": [],
          "antonyms": [],
          "subsenses": []
        }
      ],
      "synonyms": [
        "g'day",
        "hey"
      ],
      "antonyms": [
        "bye",
        "goodbye"
      ]
    },
    {
      "language": {
        "code": "en",
        "name": "English"
      },
      "partOfSpeech": "noun",
      "pronunciations": [
        {
          "type": "ipa",
          "text": "/hɛˈloʊ/",
          "tags": [
            "General American"
          ]
        },
        {
          "type": "ipa",
          "text": "/həˈloʊ/",
          "tags": [
            "General American"
          ]
        }
      ],
      "forms": [
        {
          "word": "hellos",
          "tags": [
            "plural"
          ]
        },
        {
          "word": "helloes",
          "tags": [
            "plural"
          ]
        }
      ],
      "senses": [
        {
          "definition": "\"Hello!\" or an equivalent greeting.",
          "tags": [],
          "examples": [
            "They gave each other a quick hello when they met, and went back on their merry ways."
          ],
          "quotes": [
            {
              "text": "In many new buildings, though, neighbors are venturing beyond tight-lipped hellos at the mailbox.",
              "reference": "2007 April 29, Stephanie Rosenbloom, “A Beautiful Day in the Neighborhood”, in New York Times:"
            }
          ],
          "synonyms": [],
          "antonyms": [],
          "subsenses": []
        }
      ],
      "synonyms": [
        "greeting"
      ],
      "antonyms": []
    }
  ],
  "source": {
    "url": "https://en.wiktionary.org/wiki/hello",
    "license": {
      "name": "CC BY-SA 4.0",
      "url": "https://creativecommons.org/licenses/by-sa/4.0/"
    }
  }
}
Call itcurl · fetch · python
curl "https://freedictionaryapi.com/api/v1/entries/en/hello"
const res = await fetch("https://freedictionaryapi.com/api/v1/entries/en/hello");
const data = await res.json();
console.log(data);
import requests

res = requests.get("https://freedictionaryapi.com/api/v1/entries/en/hello")
print(res.json())
Endpoints · 5On scheduleFULL DOCS ↗
On schedule — GET /api/v1/entries/en/hello awaits first probe
GET/api/v1/entries/en/helloPROBED

Free Dictionary API — The Free Dictionary API provides access to dictionary d…

GET/api

Api — documented GET route.

GET/api/1

Api details by ID (example: 1).

GET/api?limit=10

Api — documented GET route.

GET/api/search?q=test

Search by query parameters.

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

Not tracked yet. Shape-change history starts once this API joins our probe schedule.

Free Dictionary API: common questions

Is Free Dictionary API free to use?

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

Does Free Dictionary API need an API key?

No — Free Dictionary API needs no API key or signup. You can call it straight away; rate limits still apply (Unpublished).

Can I call Free Dictionary API from the browser?

Yes — Free Dictionary API 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 API up right now?

Free Dictionary API is catalogued but not yet on our probe schedule, so we don't publish a live status for it. Check the provider's own status page or docs for its current state.