əˈkjuːtlɪ ˈkiːnli ʃɑːp ʃɑɹp ʃɑɹpli ʃɑːpli having a rapid onset an acutely debilitating virus in a shrewd manner he invested his fortune astutely he was acutely insightful in a keen or penetrating way he was keenly aware of his own shortcomings she pitied her sister acutely acutely aware changing suddenly in direction and degree the road twists sharply after the light turn sharp left here the visor was acutely peaked her shoes had acutely pointed toes