Of, exhibiting, or affected with megalomania.

A psychopathological condition characterized by delusional fantasies of wealth, power, or omnipotence. / (obsolete) Narcissistic personality disorder.

A unit equal to one million cycles per second.

(now rare) A headache; a migraine. / (now rare) A fancy, a whim, a caprice. / (in the plural) See megrims (“depression; any of various diseases of animals”).

A type of flatfish of the genus Lepidorhombus native to the northeastern Atlantic Ocean; specifically, the Cornish sole, sail-fluke, or whiff (Lepidorhombus whiffiagonis).

A length of nucleic acid containing one million nucleotides (bases if single-stranded, base pairs if double-stranded)

(archaeology) A construction involving one or several roughly hewn stone slabs of great size. / A large stone used in such a construction.

(Judaism) any of the Five Scrolls of the Hebrew Scriptures (Song of Songs, Ruth, Lamentations, Ecclesiastes, and Esther) / (Judaism, specifically) the Book of Esther

Alternative form of magilla

A measure of the strength of an explosion or a bomb based on how many million tons of TNT would be needed to produce the same energy.