adjective:having a fine edge or point that is capable of cutting or piercing
Be careful with that knife; the blade is extremely sharp.
adjective:distinct in outline or detail; clear
The camera captured a sharp image of the bird in flight.
adjective:having or showing a quick and keen intelligence
He is a sharp student who always asks insightful questions.
adjective:sudden or intense in degree or effect
She felt a sharp pain in her shoulder.
