1. in an acute manner (Freq. 4) - she pitied her sister acutely - acutely aware • Derived from adjective: acute 2. having a rapid onset (Freq. 1) - an acutely debilitating virus • Ant: chronically • Derived from adjective: acute 3. 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 • Syn: sharply, sharp • Derived from adjective: acute, sharp (for: sharply) 4. in a shrewd manner - he invested his fortune astutely - he was acutely insightful • Syn: astutely, shrewdly, sagaciously, sapiently • Derived from adjective: sharp, sapient (for: sapiently), sagacious (for: sagaciously), shrewd (for: shrewdly), astute (for: astutely)