Genius Definition

jēnyəs
genii, geniuses
noun
geniuses
According to ancient Roman belief, a guardian spirit assigned to a person at birth; tutelary deity.
Webster's New World
Extraordinary intellectual and creative power.
Artistic works of genius.
American Heritage
Either of two spirits, one good and one evil, supposed to influence one's destiny.
Webster's New World
A person considered as having strong influence over another.
Webster's New World
The guardian spirit of any person, place, etc.
Webster's New World
Antonyms:
adjective

(informal) Ingenious, very clever, or original.

What a genius idea!
Wiktionary

Other Word Forms of Genius

Noun

Singular:
genius
Plural:
geniuses

Origin of Genius

  • From Latin genius (“the guardian spirit of a person, spirit, inclination, wit, genius, literally 'inborn nature'”), from gignere (“to beget, produce”), Old Latin genere, the root gen; see genus.

    From Wiktionary

  • Middle English guardian spirit from Latin genə- in Indo-European roots

    From American Heritage Dictionary of the English Language, 5th Edition

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