Possessed of or endowed with might; having much ability, strength, or power; eminently strong, powerful, or great: as, a mighty conqueror; a mighty intellect; a man mighty in argument.Marked by or manifesting might; very great, important, or momentous; of uncommon force, consequence, size, number, etc.Vast, enormous, immense, huge, stupendous, monstrous; violent, vehement, impetuous.In a great degree; very; exceedingly: as, mighty wise; mighty thoughtful.