ge·nius 
/ˈʤi:njəs/ noun
plural ge·nius·es /ˈʤi:njəs/ noun 1 [count] a : a very smart or talented person : a person who has a level of talent or intelligence that is very rare or remarkable
▪ Albert Einstein and Isaac Newton were great scientific geniuses. ▪ a musical/artistic/creative genius ▪ You don't have to be a genius to see that this plan will never work.
b : a person who is very good at doing something
▪ He was a genius at handling the press. 2 a [noncount] : great natural ability : remarkable talent or intelligence
▪ She's now widely recognized as an artist of genius. ▪ He's admired for his comic/artistic/scientific genius.
b [singular] : a great or unusual talent or ability — usually + for ▪ She has a genius for knowing what will sell. ▪ He had a genius for getting into trouble. [=he often got into trouble] 3 [singular] a : a very clever or smart quality
▪ The (sheer) genius of his theory was not immediately recognized.
b : a part of something that makes it unusually good or valuable
▪ My plan is simple—that's the genius of it. ▪ The genius of these new computers is their portability.
▪ Albert Einstein and Isaac Newton were great scientific geniuses. ▪ a musical/artistic/creative genius ▪ You don't have to be a genius to see that this plan will never work.
b : a person who is very good at doing something
▪ He was a genius at handling the press.
▪ She's now widely recognized as an artist of genius. ▪ He's admired for his comic/artistic/scientific genius.
b [singular] : a great or unusual talent or ability — usually + for ▪ She has a genius for knowing what will sell. ▪ He had a genius for getting into trouble. [=he often got into trouble]
▪ The (sheer) genius of his theory was not immediately recognized.
b : a part of something that makes it unusually good or valuable
▪ My plan is simple—that's the genius of it. ▪ The genius of these new computers is their portability.
a stroke of genius
: a brilliant and successful idea or decision
▪ Deciding to relocate the company was a stroke of genius.
▪ Deciding to relocate the company was a stroke of genius.
