"Sharp" is a word in LAW AND LEGAL, ENGLISH

A “sharp” clause in a mortgage or other security (or the whole instrument described as “sharp") ls one which empowers the creditor to take prompt and summary ac-tion upon default in payment or breach of other conditions

To sing above the proper pitch.

To a point or edge; piercingly; eagerly; sharply.

An expert.

Having a very thin edge or fine point; of a nature to
cut or pierce easily; not blunt or dull; keen.

Terminating in a point or edge; not obtuse or rounded;
somewhat pointed or edged; peaked or ridged; as, a sharp hill; sharp
features.

Affecting the sense as if pointed or cutting, keen,
penetrating, acute: to the taste or smell, pungent, acid, sour, as
ammonia has a sharp taste and odor; to the hearing, piercing, shrill,
as a sharp sound or voice; to the eye, instantaneously brilliant,
dazzling, as a sharp flash.

High in pitch; acute; as, a sharp note or tone.

Raised a semitone in pitch; as, C sharp (C/), which is
a half step, or semitone, higher than C.

So high as to be out of tune, or above true pitch; as,
the tone is sharp; that instrument is sharp. Opposed in all these
senses to flat.

Very trying to the feelings; piercing; keen; severe;
painful; distressing; as, sharp pain, weather; a sharp and frosty air.

Cutting in language or import; biting; sarcastic;
cruel; harsh; rigorous; severe; as, a sharp rebuke.

Of keen perception; quick to discern or distinguish;
having nice discrimination; acute; penetrating; sagacious; clever; as,
a sharp eye; sharp sight, hearing, or judgment.

Eager in pursuit; keen in quest; impatient for
gratification; keen; as, a sharp appetite.

Composed of hard, angular grains; gritty; as, sharp
sand.

Steep; precipitous; abrupt; as, a sharp ascent or
descent; a sharp turn or curve.

Uttered in a whisper, or with the breath alone, without
voice, as certain consonants, such as p, k, t, f; surd; nonvocal;
aspirated.

Precisely; exactly; as, we shall start at ten o'clock
sharp.

The character [/] used to indicate that the note before
which it is placed is to be raised a half step, or semitone, in pitch.

A sharp tone or note.

A portion of a stream where the water runs very rapidly.

A sewing needle having a very slender point; a needle of the
most pointed of the three grades, blunts, betweens, and sharps.

Same as Middlings, 1.

To sharpen.

To raise above the proper pitch; to elevate the tone of;
especially, to raise a half step, or semitone, above the natural tone.

To play tricks in bargaining; to act the sharper.

A sharp tool or weapon.

Keenly or unduly attentive to one's own interest; close
and exact in dealing; shrewd; as, a sharp dealer; a sharp customer.

Fierce; ardent; fiery; violent; impetuous.