PLETHORIC Meaning of PLETHORIC in English plethoric BrE AmE ple ˈθɒr ɪk plə-, plɪ- AmE \ -ˈθɔːr ɪk -ˈθɑːr- ▷ plethoric|ally ə l‿i Longman Pronunciation English Dictionary. Английский словарь произношений Longman. 2012