having bad habits that cannot be changed or improved synonym incurable无法改正的;屡教不改的 Her husband is an incorrigible flirt. 她的丈夫是个积习难改的调情老手。 You're incorrigible! 你简直不可救药! There were new allegations against his incorrigible wife. 对他不可救药的妻子有了新的指控。
Word OriginMiddle English: from Old French, or from Latin incorrigibilis, from in- ‘not’ + corrigibilis (from Latin corrigere ‘to correct’).