Dictionary definitions & phonetics API

Define a word: part(s) of speech, definitions with usage examples, phonetic pronunciation, and synonyms (Free Dictionary API). Answers 'define X', 'what does Y mean', 'meaning of Z', 'how do you pronounce this word', 'part of speech of'.

Price$0.01per request

MethodPOST

Route/v1/words/dictionary

StatusLive

MIME typeapplication/json

Rate limit120/minute

Cache86400s public

wordsdictionarydefinitionmeaningphoneticspronunciationlanguagelexicon

API URLhttps://x402.hexl.dev/v1/words/dictionary

Integration docs

Example request

{
  "word": "serendipity"
}

Example response

{
  "word": "serendipity",
  "phonetic": "/ˌsɛɹənˈdɪpɪti/",
  "meanings": [
    {
      "partOfSpeech": "noun",
      "definitions": [
        {
          "definition": "A combination of events which have come together by chance to make a surprisingly good outcome.",
          "example": "a fortunate stroke of serendipity"
        }
      ],
      "synonyms": [
        "chance",
        "fortuity"
      ]
    }
  ]
}

Input schema

{
  "type": "object",
  "required": [
    "word"
  ],
  "properties": {
    "word": {
      "type": "string",
      "examples": [
        "serendipity"
      ]
    },
    "lang": {
      "type": "string",
      "default": "en",
      "examples": [
        "en"
      ]
    }
  }
}

Output schema

{
  "type": "object",
  "additionalProperties": true
}