supersharp

Example:The pain was sharp, and she could feel every beat of her heart.

Definition:Rapid in effect; sudden and severe; cutting

Example:His keen eyes scanned the room for any sign of danger.

Definition:Having a sharp edge, point, or intelligent mind; penetrating; acutely perceptive.

Example:The problem required a precise answer to showcase his supersharp knowledge.

Definition:Accurate to a high degree; very exact, accurate, or exacting; exact or particular in the use of language or meaning.