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Word definitions, word pronunciations and synonyms and antonyms

Dictionary.com provides definitions, pronunciations, audio, examples, and word origins, plus ranked synonyms and antonyms for public Thesaurus.com entries; some word details may be unavailable.

Define word

Get an English word’s pronunciations, audio, numbered definitions, examples, and origin from Dictionary.com. First recorded use and some pronunciation details may be unavailable for some words.

Your information

Word

The English word to define, for example serendipity.

1 credit per run

Example results

Word

serendipity

Page Link

dictionary.com

Audio Link

audio.dictionary.com

Word Origin

Serendip + -ity; coined in 1754 by English novelist Horace Walpole ( def. ) for an ability possessed by the heroes of a fairy tale called The Three Princes of Serendip, using a former name for Sri Lanka

First Recorded Use

Not provided

Meanings

Meanings
Dialect	Definitions	Part of Speech
American		noun
British		noun

Pronunciation

Ipa: / ˌsɛr ənˈdɪp ɪ ti /
Phonetic Spelling: [ser-uhn-dip-i-tee]

Example data · Run in Studio for fresh results.

About Dictionary.com

Dictionary.com’s Define word method returns pronunciations, audio, definitions, examples, and word origins for an English word you provide.

Its Get synonyms method returns meanings, parts of speech, and ranked synonyms and antonyms for a word you provide.

Built by Fous from dictionary.com and thesaurus.com and checked automatically; it last passed a check on Sep 29, 2026. Fous is not affiliated with Dictionary.com.

Actions

Define word

1 credit per run

Get an English word’s pronunciations, audio, numbered definitions, examples, and origin from Dictionary.com. First recorded use and some pronunciation details may be unavailable for some words.

What you provide

Field	Type	Required	Description
Word`word`	Text	Required	The English word to define, for example serendipity.Example: Serendipity

What you get

Field	Type	Description
Word`word`	Text	The headword on the page.Example: Serendipity
Meanings`meanings`	List
Dialect`meanings[].dialect`	Text	American or British entry.Example: American
Definitions`meanings[].definitions`	List
Part of Speech`meanings[].part_of_speech`	Text	Example: Noun
Page Link`page_link`	Text	Example: https://www.dictionary.com/browse/serendipity
Audio Link`audio_link`	Text	Link to the spoken pronunciation.Example: https://audio.dictionary.com/tts/s/serendipity/serendipity-DyKtdD.mp3
Word Origin`word_origin`	Text	Etymology as plain text.Example: Serendip + -ity; coined in 1754 by English novelist Horace Walpole ( def. )…
Pronunciation`pronunciation`	Details
Ipa`pronunciation.ipa`	Text	Example: / ˌsɛr ənˈdɪp ɪ ti /
Phonetic Spelling`pronunciation.phonetic_spelling`	Text	Example: [ser-uhn-dip-i-tee]
First Recorded Use`first_recorded_use`	Text	First recorded date or period as shown.Example: 1805–15

Example result

For Word: Serendipity

JSON

{
  "word": "serendipity",
  "meanings": [
    {
      "dialect": "American",
      "definitions": [
        {
          "number": 1,
          "definition": "an aptitude for making desirable discoveries by accident.",
          "example_sentences": []
        },
        {
          "number": 2,
          "definition": "accidental discovery, or an instance of this.",
          "example_sentences": [
            "Alton’s premiere novel was a serendipity that affected my thinking in the most positive way."
          ]
        },
        {
          "number": 3,
          "definition": "good fortune; luck.",
          "example_sentences": [
            "What serendipity—she got the first job she applied for!"
          ]
        }
      ],
      "part_of_speech": "noun"
    },
    {
      "dialect": "British",
      "definitions": [
        {
          "number": 1,
          "definition": "the faculty of making fortunate discoveries by accident",
          "example_sentences": []
        }
      ],
      "part_of_speech": "noun"
    }
  ],
  "page_link": "https://www.dictionary.com/browse/serendipity",
  "audio_link": "https://audio.dictionary.com/tts/s/serendipity/serendipity-DyKtdD.mp3",
  "word_origin": "Serendip + -ity; coined in 1754 by English novelist Horace Walpole ( def. ) for an ability possessed by the heroes of a fairy tale called The Three Princes of Serendip, using a former name for Sri Lan…",
  "pronunciation": {
    "ipa": "/ ˌsɛr ənˈdɪp ɪ ti /",
    "phonetic_spelling": "[ser-uhn-dip-i-tee]"
  },
  "first_recorded_use": null
}

Get synonyms

1 credit per run

Get a word’s Thesaurus.com meanings in site order, with part of speech, short meaning, synonyms and antonyms ranked strongest, strong or weak. Public entries only.

Uses thesaurus.com.

What you provide

Field	Type	Required	Description
Word`word`	Text	Required	Word to look up, for example "happy".Example: Happy

What you get

Field	Type	Description
Meanings`meanings`	List	Meanings in the order shown on Thesaurus.com.
Meaning`meanings[].meaning`	Text	Short meaning of the word.Example: in high spirits; delighted
Antonyms`meanings[].antonyms`	List
Synonyms`meanings[].synonyms`	List
Page Link`meanings[].page_link`	Text	The word’s Thesaurus.com page.Example: https://www.thesaurus.com/browse/happy
Part of Speech`meanings[].part_of_speech`	Text	Part of speech for this meaning.Example: Adjective

Example result

For Word: Happy

JSON

{
  "meanings": [
    {
      "meaning": "in high spirits; delighted",
      "antonyms": [
        {
          "word": "depressed",
          "strength": "strongest"
        },
        {
          "word": "disappointed",
          "strength": "strongest"
        },
        {
          "word": "disturbed",
          "strength": "strongest"
        }
      ],
      "synonyms": [
        {
          "word": "cheerful",
          "strength": "strongest"
        },
        {
          "word": "delighted",
          "strength": "strongest"
        },
        {
          "word": "ecstatic",
          "strength": "strongest"
        }
      ],
      "page_link": "https://www.thesaurus.com/browse/happy",
      "part_of_speech": "adjective"
    },
    {
      "meaning": "favored by fortune",
      "antonyms": [
        {
          "word": "unfortunate",
          "strength": "weak"
        },
        {
          "word": "unlucky",
          "strength": "weak"
        }
      ],
      "synonyms": [
        {
          "word": "fortunate",
          "strength": "strongest"
        },
        {
          "word": "lucky",
          "strength": "strongest"
        },
        {
          "word": "apt",
          "strength": "strong"
        }
      ],
      "page_link": "https://www.thesaurus.com/browse/happy",
      "part_of_speech": "adjective"
    }
  ]
}

For developers

Run this workflow from your own code. In Studio, turn on Developer mode and create an API key.

cURL

# First set your key: export FOUS_API_KEY='YOUR_FOUS_API_KEY'
: "${FOUS_API_KEY:?Set FOUS_API_KEY before running this example}"

curl 'https://api.fous.com/v1/query' \
  --fail-with-body --silent --show-error --max-time 120 \
  -H "Authorization: Bearer $FOUS_API_KEY" \
  -H 'Content-Type: application/json' \
  --data-raw '{
  "api": "@dictionary-com",
  "visibility": "public",
  "operation": "define_word",
  "version": 1,
  "input": {
    "word": "serendipity"
  },
  "response": {
    "format": "json"
  }
}'

What you can do with it

Check definitions and examples for words in English-language content
Review pronunciation and audio for an English word
Explore a word’s origin and first recorded use
Find ranked synonyms and antonyms for a word
Group word meanings by part of speech

Questions

Is Fous affiliated with Dictionary.com?

No. Fous is not affiliated with Dictionary.com. This workflow reads the public dictionary.com website and returns its data.

How much does it cost?

Each run costs 1 credit. With pay-as-you-go, a credit costs 1¢; monthly plans cost less per credit.

Do I need a Dictionary.com account?

No. You only need a Fous account.

How current is the data?

Fous gets the data from dictionary.com when you run it; repeating the same request within a day may return the saved result. Fous checks this workflow automatically; it last passed a check on Sep 29, 2026.