INCIDENTAL Meaning of INCIDENTAL in English incidental BrE AmE ˌɪn t s ɪ ˈdent ə l ◂ -ə- AmE \ -ˈden t̬ ə l▷ incidental|ly ‿i▷ incidental|s z▶ ˌ inci ˌ dental ˈ comments BrE AmE Longman Pronunciation English Dictionary. Английский словарь произношений Longman. 2012