sharp

Orion hit a rabbit once; but though sore wounded it got to the bury, and, struggling in, the arrow caught the side of the hole and was drawn out. Indeed, a nail filed sharp is not of much avail as an arrowhead; you must have it barbed, and that was a little beyond our skill.

My nephew is a sharp lad; he can count to 100 in six languages, and he's only five years old.

The orchestra's third violin several times was sharp about an eighth of a tone.

Milly couldn't stand sharp cheeses when she was pregnant, because they made her nauseated.

A pregnant woman during labor normally experiences a number of sharp contractions.

Michael had a number of sharp ventures that he kept off the books.

a sharp dealer;  a sharp customer

You'll need sharp aim to make that shot.

sharp criticism

You look so sharp in that tuxedo!

Keep a sharp watch on the prisoners. I don't want them to escape!

Drive down Main for three quarters of a mile, then make a sharp right turn onto Pine.

a sharp ascent or descent; a sharp turn or curve

Sure, any planar graph can be five-colored. But that result is not sharp: in fact, any planar graph can be four-colored. That is sharp: the same can't be said for any lower number.

Time and time again, the amateur player has lost the opportunity to make the really best move because he felt bound to follow some chess "rule" he had learned, rather than to make the sharp move which was indicated by the position.

a sharp pain; the sharp and frosty winter air

a sharp appetite

And fear of God, from whom their piety feign'd In sharp contest of battle found no aid Against invaders

Well-burnt good lime and sharp sand, if very sharp, a load of sand (about 36 bushels) to a hundred of lime (being 25 bushels, or a hundred pecks[…]

“[W]hy this last week we ha'n't had nothing at all but some dry musty red herrings; so you may think, Miss, we're kept pretty sharp!”