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Dictionaries APIs

Explore word definitions, pronunciations, synonyms, antonyms, and translations across multiple languages.

Available APIs

APIDescriptionAuthHTTPSCORS
Chinese Character WebChinese character definitions and pronunciationsNoNoNo
Chinese Text ProjectOnline open-access digital library for pre-modern Chinese textsNoYesUnknown
CollinsBilingual Dictionary and Thesaurus DataapiKeyYesUnknown
Free DictionaryDefinitions, phonetics, pronounciations, parts of speech, examples, synonymsNoYesUnknown
Indonesia DictionaryIndonesia dictionary many wordsNoYesUnknown
Lingua RobotWord definitions, pronunciations, synonyms, antonyms and othersapiKeyYesYes
Merriam-WebsterDictionary and Thesaurus DataapiKeyYesUnknown
OwlBotDefinitions with example sentence and photo if availableapiKeyYesYes
OxfordDictionary DataapiKeyYesNo
SynonymsSynonyms, thesaurus and antonyms information for any given wordapiKeyYesUnknown
WiktionaryCollaborative dictionary dataNoYesYes
WordnikDictionary DataapiKeyYesUnknown
WordsDefinitions and synonyms for more than 150,000 wordsapiKeyYesUnknown

Use Cases

  • Build language learning applications
  • Create writing assistance tools
  • Develop translation services
  • Integrate vocabulary builders
  • Add spell-check and grammar features
  • Create crossword puzzle solvers

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