1. (adverb)mighty having or showing great strength or force or intensity Antonyms: powerless
2. (adverb)mighty, mightily, powerful, right (Southern regional intensive) very; to a great degree Synonyms: properly, the right way, correctly, in good order, decently, justly, flop, right, mighty, mightily, powerful, right on, aright, decent Antonyms: powerless