English pronunciation of “ad”

ad

uk How to pronounce ad noun in British English
us How to pronounce ad noun in American English
uk How to pronounce ad adverb in British English
us How to pronounce ad adverb in American English
uk How to pronounce ad adjective in British English
us How to pronounce ad adjective in American English

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