Big Huge Thesaurus

About

The Big Huge Thesaurus is a developer-focused API for getting synonyms and antonyms for your apps and websites.

It was one of the very first APIs for getting synonyms and antonyms online. We've served billions of requests for everything from large corporations to mobile apps to school projects.

Trusted by all of these companies

Featured in the book Go Programming Blueprints by Mat Ryer.

Based on data from the Princeton University WordNet database, the Carnegie Mellon Pronouncing Dictionary, and other sources.