Definition of mastermind in English:


Line breaks: master|mind
Pronunciation: /ˈmɑːstəmʌɪnd


  • 1A person with an outstanding intellect: an eminent musical mastermind
    More example sentences
    • Guitarist and producer Dave is a PhD student at Columbia, and a musical mastermind.
    • One of the most refreshing aspects of the album is that this is a European album, from a German musical mastermind, that doesn't sound like it should remain on the European continent.
    • It turns out that he's currently working on a project with my favorite Ethiopian musical mastermind.
    genius, mind, intellect, author, architect, engineer, director, planner, organizer, deviser, originator, manager, prime mover, initiator, inventor
    informal brain, brains, bright spark
    British informal brainbox
  • 1.1A person who plans and directs an ingenious and complex scheme or enterprise: McAvoy was the mastermind of the robbery
    More example sentences
    • Unfortunately, there was an accident and she was taken in by the mastermind behind the plan.
    • He had been the mastermind behind the whole plan, I was sure he could get us out of all of this trouble.
    • But you need a thoroughbred forensic expert to put the pieces together, to search for the missing links, to finally point fingers at the mastermind behind a crime.


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a small amount; a little