genius genius /ˈdʒiːnjəs/

noun

1. () Unusual mental ability  ( brilliance , genius )
   unusual mental ability
   
2. () Someone who has exceptional intellectual ability and originality  ( brainiac [ N. American] , Einstein , mastermind , brain , genius , brainbox [Informal, British] , smart cookie [Informal, N. American] )
   someone who has exceptional intellectual ability and originality
    Mozart was a child genius
   Mozart was a child genius
    He's smart but he's no Einstein
   he's smart but he's no Einstein
   
   
3. () Someone who is dazzlingly skilled in any field  ( adept , champion , maven [Informal, American] , genius , mavin [Informal, American] , superstar , whizz [Informal] , wiz [Informal] , megastar [Informal] , ace [Informal] , hotshot [Informal] , sensation , star , virtuoso , whiz [Informal] , wizard [Informal] )
   someone who is dazzlingly skilled in any field
     The talented star dazzled audiences with her captivating performances on the stage.
   The talented star dazzled audiences with her captivating performances on the stage.
   
4. A natural talent  ( genius , flair )
   a natural talent
    He has a flair for mathematics
   he has a flair for mathematics
    He has a genius for interior decorating
   he has a genius for interior decorating
   
5. Exceptional creative ability  ( genius , wizardry )
   exceptional creative ability