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We found 30 dictionaries with English definitions that include the word mastermind:
Click on the first link on a line below to go directly to a page where "mastermind" is defined.

General (26 matching dictionaries)

1. mastermind: Merriam-Webster.com [home, info]
2. mastermind: Oxford Dictionaries [home, info]
3. mastermind: American Heritage Dictionary of the English Language [home, info]
4. mastermind: Collins English Dictionary [home, info]
5. mastermind: Vocabulary.com [home, info]
6. mastermind, mastermind: Macmillan Dictionary [home, info]
7. Mastermind, mastermind: Wordnik [home, info]
8. mastermind: Cambridge Advanced Learner's Dictionary [home, info]
9. mastermind: Wiktionary [home, info]
10. mastermind: Webster's New World College Dictionary, 4th Ed. [home, info]
11. mastermind: The Wordsmyth English Dictionary-Thesaurus [home, info]
12. mastermind: Infoplease Dictionary [home, info]
13. mastermind: Dictionary.com [home, info]
14. mastermind: Online Etymology Dictionary [home, info]
15. mastermind: UltraLingua English Dictionary [home, info]
16. mastermind: Cambridge Dictionary of American English [home, info]
17. Mastermind (American band), Mastermind (EP), Mastermind (Jason Wyngarde), Mastermind (Martinique Jason), Mastermind (Monster Magnet album), Mastermind (Rick Ross album), Mastermind (Role Variant), Mastermind (TV series), Mastermind (Tina Cousins album), Mastermind (board game), Mastermind (comics), Mastermind (computer), Mastermind (film), Mastermind (role variant), Mastermind (television), Mastermind: Wikipedia, the Free Encyclopedia [home, info]
18. mastermind: Rhymezone [home, info]
19. mastermind: AllWords.com Multi-Lingual Dictionary [home, info]
20. mastermind: Free Dictionary [home, info]
21. mastermind: Mnemonic Dictionary [home, info]
22. mastermind: WordNet 1.7 Vocabulary Helper [home, info]
23. mastermind: LookWAYup Translating Dictionary/Thesaurus [home, info]
24. mastermind: Dictionary/thesaurus [home, info]

Business (1 matching dictionary)

25. Mastermind (Comic character), Mastermind (Marvel comics supervillain), mastermind: Legal dictionary [home, info]

Computing (1 matching dictionary)

26. mastermind: Encyclopedia [home, info]

Science (1 matching dictionary)

27. Mastermind: Eric Weisstein's World of Mathematics [home, info]

Slang (1 matching dictionary)

28. mastermind: Urban Dictionary [home, info]

(Note: See masterminds for more definitions.)

Quick definitions from Macmillan ( ) Provided by Quick definitions from WordNet (mastermind) ▸ noun:  someone who has exceptional intellectual ability and originality ▸ noun:  someone who creates new things ▸ verb:  plan and direct (a complex undertaking) ("He masterminded the robbery") ▸ Also see masterminds ▸ Word origin ▸ Words similar to mastermind ▸ Usage examples for mastermind ▸ Popular adjectives describing mastermind ▸ Words that often appear near mastermind ▸ Rhymes of mastermind ▸ Invented words related to mastermind