WordWeb Online

1. Having or showing great strength or force or intensity
   "struck a mighty blow"; "the mighty logger Paul Bunyan"; "the pen is mightier than the sword"

1. (Southern regional intensive) very; to a great degree
   "the baby is mighty cute"; "he's mighty tired"
   - mightily, powerful, right

Derived forms: mightier, mightiest

See also: might, powerful

Encyclopedia: Mighty Mighty, Mighty Bosstones