SUPPLETIVE Meaning of SUPPLETIVE in English suppletive BrE AmE sə ˈpliːt ɪv ˈsʌp lət ɪv, -lɪt- AmE \ sə ˈpliːt̬ ɪv ˈsʌp lət̬ ɪv ▷ suppletive|s z Longman Pronunciation English Dictionary. Английский словарь произношений Longman. 2012