adjective🔗ShareIneficaz, inútilNot having the desired effect; ineffectual"The bug spray was ineffective; the mosquitoes were still biting us. "El repelente de insectos fue ineficaz; los mosquitos nos seguían picando.outcomeabilityfunctionqualityChat with AIVocabulary GamePractice Reading
adjective🔗ShareIneficaz, incompetente, inadecuadoLacking 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. "La nueva estudiante encontró la explicación del profesor sobre el problema de matemáticas completamente ineficaz; todavía no lo entendía.abilityqualitycharacterfunctionChat with AIVocabulary GamePractice Reading