mightily /ˈmaɪtɪli/ adverb6 •In a mighty manner. •With much emotional, intellectual, or mental force or power; vehemently.But let man and beast be couered with sackecloth, and cry mightily vnto God: yea, let them turne euery one from his euill way, and from the violence that is in their hands. — 1611 •(literary) With much physical force, power, or strength; also, with divine or superhuman power or strength.The chivalrous knights entered the lists and fought mightily. •Of a characteristic: provided or present to a powerful or strong extent.[A]lthough he vvas a man mightely friended, yet vvas he by a publike decree banished into one of the Absyrtides, islan ds vpon the coast of Libvrnia. — 1603 •To a great extent; extremely, greatly.He sounded mightily proud of himself. •(no longer used) Put in place through the use of force or power.O, mightily seated and / Throned are our masters, / And steadily rooted; […] — 1866 formsmore mightily · most mightily