mightful

English

Etymology

From Middle English myghtfull; equivalent to might +‎ -ful.

Adjective

mightful (comparative more mightful, superlative most mightful)

1. (now literary, archaic) Mighty, powerful.

   Synonym: mainful

   Antonym: mightless

   • c. 1385, William Langland, Piers Plowman, section I:

     Here myȝtow see ensamples · in hym-selue one / That he was miȝtful & meke · and mercy gan graunte.