A free English dictionary API, built for real products

One request, the whole entry

Send a word, get back everything a learner or a product needs: every sense with its part of speech, IPA and an easy-to-read respelling, a CEFR level, flags for offensive words and proper nouns, and translations when you ask for them.

curl https://freedict.com/api/v1/words/peace?locale=en-US&include=translations \
  -H "X-API-Key: YOUR_KEY"

Keys are free. Every response carries the fields your plan includes and nothing hidden behind a second call.

Real response (trimmed)

{
    "data": {
        "word": "peace",
        "slug": "peace",
        "length": 5,
        "pos": [
            "noun",
            "intj"
        ],
        "definition_short": "A state of calm with no war, fighting, or serious conflict.",
        "definitions": [
            {
                "pos": "noun",
                "sense": "A state of calm with no war, fighting, or serious conflict.",
                "register": null
            },
            {
                "pos": "noun",
                "sense": "A personal sense of calm, free from worry or inner conflict.",
                "register": null
            }
        ],
        "locale": "en-US",
        "pronunciation_ipa": "/ˈpiːs/",
        "respelling": "PEES",
        "cefr_level": "a1",
        "flags": {
            "proper_noun": false,
            "offensive": false,
            "hyphenated": false,
            "multiword": false
        },
        "source": "freedict",
        "licence": "original",
        "reuse": "publish",
        "attribution_required": false,
        "share_alike": false,
        "translations": [
            {
                "language": "Afrikaans",
                "code": "af",
                "words": [
                    {
                        "word": "vrede",
                        "pos": "noun",
                        "gloss": "state of mind"
                    }
                ]
            },
            {
                "language": "Arabic",
                "code": "ar",
                "words": [
                    {
                        "word": "هُدُوء",
                        "pos": "noun",
                        "gloss": "state of mind",
                        "romanised": "hudūʔ"
                    },
                    {
                        "word": "صُلْح",
                        "pos": "noun",
                        "gloss": "state of being free from war",
                        "romanised": "ṣulḥ"
                    },
                    {
                        "word": "سَلَام",
                        "pos": "noun",
                        "gloss": "state of being free from war",
                        "romanised": "salām"
                    },
                    {
                        "word": "سِلْم",
                        "pos": "noun",
                        "gloss": "state of being free from war",
                        "romanised": "silm"
                    }
                ]
            },
            {
                "language": "Bengali",
                "code": "bn",
                "words": [
                    {
                        "word": "শান্তি",
                        "pos": "noun",
                        "gloss": "state of being free from war",
                        "romanised": "śanti"
                    }
                ]
            }
        ]
    }
}