sharp

(noun) a musical notation indicating one half step higher than the note named.

(noun) a long thin sewing needle with a sharp point.

(adj) (of something seen or heard) clearly defined. Synonyms: crisp. Examples: "A sharp photographic image." "The sharp crack of a twig." "The crisp snap of dry leaves underfoot."

(adj) ending in a sharp point. Synonyms: acuate, acute, needlelike.

(adj) having or demonstrating ability to recognize or draw fine distinctions. Synonyms: acute, discriminating, incisive, keen, knifelike, penetrating, penetrative, piercing. Examples: "An acute observer of politics and politicians." "Incisive comments." "Icy knifelike reasoning." "As sharp and incisive as the stroke of a fang." "Penetrating insight." "Frequent penetrative observations."

(adj) marked by practical hardheaded intelligence. Synonyms: astute, shrewd. Examples: "A smart businessman." "An astute tenant always reads the small print in a lease." "He was too shrewd to go along with them on a road that could lead only to their overthrow."

(adj) harsh. Synonyms: sharp-worded, tart. Examples: "Sharp criticism." "A sharp-worded exchange." "A tart remark."

(adj) having or emitting a high-pitched and sharp tone or tones . Synonyms: shrill. Examples: "A shrill whistle." "A shrill gaiety."

(adj) extremely steep. Synonyms: abrupt, precipitous. Examples: "An abrupt canyon." "The precipitous rapids of the upper river." "The precipitous hills of chinese paintings." "A sharp drop."

(adj) keenly and painfully felt; as if caused by a sharp edge or point. Synonyms: sharp (vs. dull). Examples: "A sharp pain." "Sharp winds."

(adj) having or made by a thin edge or sharp point; suitable for cutting or piercing. Synonyms: sharp (vs. dull). Examples: "A sharp knife." "A pencil with a sharp point."

(adj) (of a musical note) raised in pitch by one chromatic semitone. Synonyms: sharp (vs. flat) (vs. natural). Examples: "C sharp."

(adj) very sudden and in great amount or degree. Examples: "A sharp drop in the stock market."

(adj) quick and forceful. Examples: "A sharp blow."

(adv) changing suddenly in direction and degree. Synonyms: sharply, acutely. Examples: "The road twists sharply after the light." "Turn sharp left here." "The visor was acutely peaked." "Her shoes had acutely pointed toes."