WordNet Offline is a free English dictionary app that ...
...works entirely offline, using the Princeton WordNet lexical database. It offers definitions, synonyms, antonyms, example sentences, and semantic relations like hypernyms and hyponyms. Designed for quick reference, the app includes powerful search, browsing by categories, and a clean, minimal UI. It’s ideal for students, writers, and language enthusiasts who want a fast and reliable dictionary without needing internet access.