NONDISCLOSURE Meaning of NONDISCLOSURE in English nondisclosure BrE AmE ˌnɒn dɪs ˈkləʊʒ ə -dəs- AmE \ ˌnɑːn dɪs ˈkloʊʒ ə r Longman Pronunciation English Dictionary. Английский словарь произношений Longman. 2012