Almightiness :: Almightiness (n.) Omnipotence; infinite or boundless power; unlimited might.
Mightily :: Mightily (adv.) In a mighty manner; with might; with great earnestness; vigorously; powerfully.
Mightily :: Mightily (adv.) To a great degree; very much.
Mightiness :: Mightiness (n.) The quality of being mighty; possession of might; power; greatness; high dignity.
Mightiness :: Mightiness (n.) Highness; excellency; -- with a possessive pronoun, a title of dignity; as, their high mightinesses..