What is the meaning of Sharp?

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

Intelligent.

Raised by one semitone (denoted by the symbol ♯ after the name of the note).

Higher in pitch than required.

Having a strong acrid or acidic taste.

Sudden, abrupt, intense, rapid.

Illegal or dishonest.

Keenly or unduly attentive to one's own interests; shrewd, verging on dishonest.

Exact, precise, accurate; keen.

Offensive, critical, or acrimonious; stern or harsh.

Stylish, smart or attractive.

Observant; alert; acute.

Quick and alert.

Strongly distinguishing or differentiating; acute.

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

Steep; precipitous; abrupt.

Said of as extreme a value as possible.

Tactical; risky.

Piercing; keen; severe; painful.

Eager or keen in pursuit; impatient for gratification.

Fierce; ardent; fiery; violent; impetuous.

Composed of hard, angular grains; gritty.

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

Hungry.

In a sharp manner: a less usual alternative to sharply in certain senses.

1. To a point or edge.
2. Piercingly.
3. Eagerly.
4. So as to make a sharp, or tight, angle.

   To a point or edge.

   Piercingly.

   Eagerly.

   So as to make a sharp, or tight, angle.

   Exactly.

   In a higher pitch than is correct or desirable.

   The symbol ♯, placed after the name of a note in the key signature or before a note on the staff to indicate that the note is to be played one chromatic semitone higher.

   A note that is played one chromatic semitone higher than usual; denoted by the name of the note that is followed by the symbol ♯.

   A note that is sharp in a particular key.

   The scale having a particular sharp note as its tonic.

   Something that is sharp.

   A hypodermic syringe.

   A scalpel or other edged instrument used in surgery.

   A sharp object; any item pointed enough to injure human skin.

   A dishonest person; a cheater.

   Part of a stream where the water runs very rapidly.

   A sewing needle with a very slender point, more pointed than a blunt or a between.

   Fine particles of husk mixed with coarse particle of flour of cereals; middlings.

   An expert.

   A sharpie (member of Australian gangs of the 1960s and 1970s).

   Alternative form of sharpie (“type of fishing boat”)

   To raise the pitch of a note half a step making a natural note a sharp.

   To play tricks in bargaining; to act the sharper.

   To sharpen.

   Source: wiktionary.org