English pronunciation of “mastermind”

mastermind

uk How to pronounce mastermind verb in British English
us How to pronounce mastermind verb in American English
uk How to pronounce mastermind noun in British English
us How to pronounce mastermind noun in American English

(English pronunciations of “mastermind” from the Cambridge Advanced Learner’s Dictionary & Thesaurus and from the Cambridge Academic Content Dictionary, both sources © Cambridge University Press)