adjective🔗Share효과 없는, 무능한Not having the desired effect; ineffectual"The bug spray was ineffective; the mosquitoes were still biting us. "살충제는 효과가 없었고, 모기들은 여전히 우리를 물었습니다.outcomeabilityfunctionqualityChat with AIVocabulary GamePractice Reading
adjective🔗Share무능한, 효과 없는, 부적절한Lacking in ability; incompetent or inadequate"The new student found the teacher's explanation of the math problem completely ineffective; she still didn't understand it. "새 학생은 수학 문제에 대한 선생님의 설명이 완전히 무능하다고 생각했습니다. 그녀는 여전히 그것을 이해하지 못했습니다.abilityqualitycharacterfunctionChat with AIVocabulary GamePractice Reading