a person endowed with extraordinary intellectual power; specif a person of a very high intelligence
extraordinary intellectual power, esp as displayed in creative activity
Mediocrity knows nothing higher than itself, but talent instantly recognizes genius — Conan Doyle
a single strongly marked capacity or aptitude
He had a genius for teaching maths
(pl genii
a distinctive or identifying character or spirit
Optimism was the genius of the Victorian era
[Latin genius tutelary spirit, fondness for social enjoyment, from gignere to beget]