UNDESIRABLE Meaning of UNDESIRABLE in English undesirable BrE AmE ˌʌn di ˈza ɪ ‿ər əb ə l ◂ ˌ•də- AmE \ -ˈzaɪ‿ ə r-▷ undesirable|s z Longman Pronunciation English Dictionary. Английский словарь произношений Longman. 2012