American English

Definition of ad nauseam adverb from the Oxford Advanced American Dictionary

 

ad nauseam

 adverb
adverb
NAmE//æd ˈnɔziəm//
 
(from Latin)
 
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if a person says or does something ad nauseam, they say or do it again and again so that it becomes boring or annoying Sports commentators repeat the same phrases ad nauseam.
See the Oxford Advanced Learner's Dictionary entry: ad nauseam