WordDefiner
WordDefiner is the ultimate online English dictionary and thesaurus app. Learn the phonetic/phonemic transcription, pronunciation audio, meanings, synonyms and antonyms, based on part(s) speech for words that you look up with WordDefiner. Not just that, but you can also see statistically associated, similarly spelled, similar sounding, and rhyming words — even if the definition of your query can't be found. If that's not enough, WordDefiner even lets you see words that follow or precede what you look up, which nouns they typically modify, and which adjectives often modify them. And if that's still not enough, well, WordDefiner now provides hypernyms, hyponyms, holonyms, and meronyms! You can also save search results to custom lists for offline revision.