an exceptional and natural capacity of intellect or ability, esp. as shown in creative and original work in science, art, music, etc.: [uncountable]Mozart's genius.[countable* usually singular]a genius for leadership.
a person having such capacity:[countable]Einstein was a scientific genius.
gen•ius( jēn′yəs),USA pronunciationn., pl.gen•ius•es for 2, 3, 8, gen•i•i(jē′nē ī′)USA pronunciation for 6, 7, 9.
an exceptional natural capacity of intellect, especially as shown in creative and original work in science, art, music, etc.:the genius of Mozart.
a person having such capacity.
Psychologya person having an extraordinarily high intelligence rating on a psychological test, as an IQ above 140.
natural ability or capacity; strong inclination:a special genius for leadership.
distinctive character or spirit, as of a nation, period, or language.
Mythologythe guardian spirit of a place, institution, etc.
Mythologyeither of two mutually opposed spirits, one good and the other evil, supposed to attend a person throughout life.
a person who strongly influences for good or ill the character, conduct, or destiny of a person, place, or thing:Rasputin, the evil genius of Russian politics.
Mythologygenie (defs. 1, 3).
Latin: tutelary deity or genius of a person; compare genus
Middle English 1350–1400
4.See corresponding entry in Unabridged gift, talent, aptitude, faculty.