UNMENTIONABLE


Meaning of UNMENTIONABLE in English

un ‧ men ‧ tion ‧ a ‧ ble /ʌnˈmenʃ ə nəb ə l/ BrE AmE adjective

too shocking or embarrassing to talk about:

unmentionable scandals

Longman Dictionary of Contemporary English.      Longman - Словарь современного английского языка.