English pronunciation of “mustard”

mustard

uk How to pronounce mustard noun in British English
us How to pronounce mustard noun in American English
uk How to pronounce mustard adjective in British English
us How to pronounce mustard adjective in American English

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