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English definition of “unmentionable”

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unmentionable

adjective uk   /ʌnˈmen.ʃən.ə.bl̩/ us  
shocking and embarrassing and therefore not allowed or disapproved of as a subject of conversation: What's the matter with him - or is it some unmentionable disease that he doesn't like people to know about?
Translations of “unmentionable”
in Chinese (Traditional) 不宜提及的, 難以啓齒的…
in Chinese (Simplified) 不宜提及的, 难以启齿的…
(Definition of unmentionable from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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