1. Possessing might; having great power or authority. Wise in heart, and mighty in strength. (job ix. 4)
2. Accomplished by might; hence, extraordinary; wonderful. His mighty works.
3. Denoting and extraordinary degree or quality in respect of size, character, importance, consequences, etc. A mighty famine. . Giants of mighty bone. . Mighty was their fuss about little matters. (Hawthorne)
Origin: AS. Meahtig, mihtig; akin to G. Machtig, Goth. Mahteigs. See Might.