REFLEX Meaning of REFLEX in English I reflex noun, adjective BrE AmE ˈriː fleks▷ reflex|es ɪz əzII reflex verb BrE AmE ri ˈfleks rə-, ˌriː-, ˈriː fleks ▷ reflex|ed t▷ reflex|es ɪz əz ▷ reflex|ing ɪŋ Longman Pronunciation English Dictionary. Английский словарь произношений Longman. 2012