LETTER-PERFECT Meaning of LETTER-PERFECT in English letter-perfect BrE AmE ˌlet ə ˈpɜːf ɪkt ◂ -ekt, § -əkt AmE ˌlet̬ ə r ˈpɝːf ɪkt ◂ Longman Pronunciation English Dictionary. Английский словарь произношений Longman. 2012