Masterminder

noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    One who masterminds; a planner of a complex operation. rare

Synonyms

All synonyms
mastermindmastermind

Etymology

From mastermind + -er.

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.