adjective🔗ShareNéfaste, nuisibleHarmful often in a subtle or unexpected way."deleterious effects"Effets néfastesmedicineenvironmentChat with AIVocabulary GamePractice Reading
adjective🔗ShareNéfaste, délétèreHaving lower fitness."The lack of sleep had a deleterious effect on Sarah's concentration in school. "Le manque de sommeil a eu un effet délétère sur la concentration de Sarah à l'école.biologymedicineorganismChat with AIVocabulary GamePractice Reading
