Mastermind
Definition 1 of 2
Pro Tip 1/3
Positive Connotation
Often implies a person has exceptional intelligence or skill. The chess player was a mastermind in foreseeing his opponent's moves.
Pro Tip 2/3
Not Always Lawful
Can refer to someone planning legal or illegal activities. The notorious thief was the mastermind of the elaborate bank heist.
Pro Tip 3/3
Complex Tasks
Used when referring to complicated or detailed projects. She was the mastermind behind the school's annual science fair.