adj. (ier, lest) 1 powerful, strong. 2 massive, bulky. 3 colloq. great, considerable. ado. colloq. very (mighty difficult). mightily adv. mightiness n. [Old English: related to minu12]
adj. (ier, lest) 1 powerful, strong. 2 massive, bulky. 3 colloq. great, considerable. ado. colloq. very (mighty difficult). mightily adv. mightiness n. [Old English: related to minu12]