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English definition of “mouth-breather”


noun [C]     /ˈmaʊθˌbriː.ðər/ US  /-ðɚ/ US informal
a stupid personStupid and silly people mouth-breathing     /ˈmaʊθˌbriː.ðɪŋ/ adjective informal stupid: a mouth-breathing idiotStupid and silly behaviour
(Definition of mouth-breather noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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