Sinister mastermind Synonyms

Definitions for Sinister


  • (adjective) being or showing a sign of evil or calamity to come
  • (adjective) stemming from evil characteristics or forces; wicked or dishonorable
  • (adjective) threatening or foreshadowing evil or tragic developments

Definitions for Mastermind


  • (noun) a person who designs and guides a plan or undertaking
  • (verb) to plan out usually with subtle skill or care
  • (noun) someone who has exceptional intellectual ability and originality