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English definition of “mouthful”

mouthful

noun [S] (WORD)    /ˈmaʊθ.fʊl/ informal
a word or phrase that is difficult to pronounce or that has a lot of syllables: I've always called myself 'Henny' because it's less of a mouthful than 'Henrietta'.Ways of speaking
(Definition of mouthful noun (WORD) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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