genius
n. C / Un. someone who is exceptionally smart or talented at something. You can also use it to describe a great idea or a special skill.
n. exceptional intellectual or creative power or natural ability. Also used to refer to a person possessing such extraordinary mental capacity or talent.
She is a mathematical genius.
The marketing team's decision to use a viral video was a stroke of genius that saved the campaign.
While the public often views genius as a sudden flash of inspiration, most historians argue it is the result of obsessive focus and years of deliberate practice.
From Latin genius (“inborn nature; a tutelary deity of a person or place; wit, brilliance”), from gignō (“to beget, produce”), Old Latin genō, from the Proto-Indo-European root *ǵenh₁-. Doublet of genio. See also genus and genie.
Countable when referring to a person; uncountable when referring to the abstract quality of high intelligence.
He has a genius for to solve puzzlesHe has a genius for solving puzzlesWhen 'genius' is followed by 'for', use a gerund (-ing form) or a noun, not an infinitive.