The exciting, commercial-grade WordNet API.

Yawni is a pure Java object-oriented interface to the WordNet database of lexical and semantic relationships. This is the project formerly known as "JWordNet".


  • 🚀 Very fast with a small memory footprint
  • Simple, intuitive, and well documented 📚 API
  • Facilitates access to all aspects of WordNet data and algorithms including lemmatization
  • Written in Java ☕ so it’s compatible with any JVM language! Scala, Clojure, Kotlin, …
  • All required resources load from jars by default making deployment a snap 💥
  • Easy Apache Maven -based build with minimal dependencies
  • Extensive unit tests 🧪 provide peace of mind (and great examples!)
  • Commercial-friendly Apache 2.0 license

alt text Try out the Yawni WordNet Browser from your desktop web browser! Problems 🥺?

alt text