Meaning

• Terminating in a point or edge, especially one that can cut easily; not obtuse or rounded.

  "A face with sharp features"

• Intelligent.

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

• Higher than usual by one semitone (denoted by the symbol ♯ after the name of the note).

• Higher in pitch than required.

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

• Having an intense, acrid flavour.

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

• Sudden and intense.

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

• Illegal or dishonest.

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

• Keenly or unduly attentive to one's own interests; shrewd.

  "a sharp dealer;  a sharp customer"

• Exact, precise, accurate; keen.

  "You'll need sharp aim to make that shot."

• Offensive, critical, or acrimonious.

  "When the two rivals met, first there were sharp words, and then a fight broke out."

• Stylish or attractive.

  "You look so sharp in that tuxedo!"

• Observant; alert; acute.

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

• Forming a small angle; especially, forming an angle of less than ninety degrees.

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

• Steep; precipitous; abrupt.

  "a sharp ascent or descent; a sharp turn or curve"

• (of a statement) Said of as extreme a value as possible.

  "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."

• Tactical; risky.

• Piercing; keen; severe; painful.

  "a sharp pain; the sharp and frosty winter air"

• Eager or keen in pursuit; impatient for gratification.

  "a sharp appetite"

• Fierce; ardent; fiery; violent; impetuous.

• Composed of hard, angular grains; gritty.

• Uttered in a whisper, or with the breath alone; aspirated; unvoiced.

• Hungry.

Meaning

• A swindler; a cheat; a professional gambler who makes his living by cheating.