Words API Free+
Find definitions, related words, and more, with a simple to use RESTful API.
Language data for your language App & Website
Request definitions, example sentences, spelling suggestions, synonyms and antonyms (and other related words), word phrases, pronunciations, random words, words of the day, and much more.
YouGlish API gives you access to YouGlish content & functionalities. With more than 100 millions tracks in 15 different languages, Youglish API gives you access to the biggest online pronunciation resource on the web.
Unofficial Google Dictionary API Free
Google does not provide Google Dictionary API so I created one.
Twin Word Free+
Rich information for a word with definitions, associations, examples, and much more.
The Merriam-Webster Dictionary API Free+
The Merriam-Webster Dictionary API gives developers access to a comprehensive resource of dictionary and thesaurus content as well as specialized medical, Spanish, ESL, and student-friendly vocabulary.
Collins API Sign-up required
The Collins Dictionary API gives developers access to Collins’ flagship monolingual, bilingual and learner’s dictionaries. It allows integration of Collins’ definitions, translations, examples, phrases, audio pronunciations, and more.
The Cambridge Dictionary API A free 30-day evaluation
The Cambridge Dictionary site is accessed by millions of unique visitors every month, making us the most popular online dictionary site for learners of English in the world. Let us help you offer this world-class dictionary content to meet your customers’ needs.
Oxford Dictionary API Closed
The Oxford Dictionaries API is the self-service toolkit for our world-renowned dictionary data.
Macmillan Dictionary API Unknown
The Macmillan Dictionary API offers access to an extensive range of data developed for the renowned Macmillan English Dictionary.
The Lexicala Web API is a RESTful API that provides lexical data of K Dictionaries originating from lexicographical resources covering 50 languages, and including monolingual cores as well as numerous bilingual pairs and multilingual combinations. The API returns data as JSON documents.
Glosbe - the multilingual online dictionary
英语单词的释义来自 lexico.com，其它语种来自 Google