UNTHOUGHT-OF Meaning of UNTHOUGHT-OF in English unthought-of BrE AmE ʌn ˈθɔːt ɒv -əv AmE \ -ˈθɔːt̬ ʌv -ˈθɑːt̬-, -əv Longman Pronunciation English Dictionary. Английский словарь произношений Longman. 2012