Look up English synonyms, antonyms, and more using powerthesaurus.org: a crowdsourced corpus of nearly 80 million synonyms and 4 million antonyms.

npm:

npm install powerthesaurus-api

var thesaurus = require('powerthesaurus-api') // Callbacks: thesaurus('car', function(err, res) { if (err) throw err console.log(res) }) // Promises and given a kind: thesaurus('blue', 'antonyms').then( res => { console.log(res) }, err => { throw err } )

Yields:

[ {word: 'vehicle', parts: ['noun'], topics: ['carriage', 'transport']}, {word: 'motorcar', parts: ['noun', 'adjective'], topics: ['vehicle']}, {word: 'automobile', parts: ['noun', 'adjective'], topics: ['vehicle', 'transport']}, {word: 'auto', parts: ['noun', 'adjective'], topics: ['transport', 'technology']}, {word: 'railcar', parts: ['noun'], topics: []}, // …and 45 more entries ] [ {word: 'happy', parts: ['adjective'], topics: ['characteristic', 'decency']}, {word: 'lighthearted', parts: ['adjective'], topics: ['characteristic', 'happiness']}, {word: 'joyful', parts: ['adjective'], topics: ['characteristic', 'happiness']}, {word: 'upbeat', parts: ['adjective'], topics: ['characteristic', 'happiness']}, {word: 'joyous', parts: ['adjective'], topics: ['characteristic', 'happiness']}, // …and 45 more entries ]

Look up words relating to word.

• word (string) — Word to look up
• kind (Kind, default: 'synonyms') — Type of relation between looked up word and related words, can be: 'synonyms', 'antonyms', 'related', 'narrower', 'broader', 'sound_like', 'similar', or 'rhymes'
• callback (Function, optional) — Callback called when done. Returns a promise when not given

When given a callback, returns nothing and calls callback with either an error or a list of entries. When not given a callback, returns a Promise, that is either resolved with a list of entries or rejected with an error. Up to 50 entries are found by powerthesaurus-api

Object representing a related word, with the following fields:

• word (string) does indeed relate to the looked up word
• parts (string[]) — List of parts of speech of this entry. Can include 'adjective', 'adverb', 'conjunction', 'expression', 'idiom', 'interjection', 'noun', 'phrasal verb', 'pronoun', 'preposition', and/or 'verb'
• topics (string[]) — List of topics of this entry

MIT © Titus Wormer