Definition of 'mastermind'

Noun

1. someone who creates new things
      Synonyms: originator conceiver
2. someone who has exceptional intellectual ability and originality; "Mozart was a child genius"; "he's smart but he's no Einstein"
      Synonyms: genius brain brainiac Einstein

Verb

1. plan and direct (a complex undertaking); "he masterminded the robbery"
      Synonyms: engineer direct organize organise orchestrate

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