Dictionary.net

make sour or more sour

go sour or spoil; "The milk has soured"; "The wine worked"; "The cream has turned--we have to throw it out"

one of the four basic taste sensations; like the taste of vinegar or lemons

having a sharp biting taste

make sour or more sour

go sour or spoil; "The milk has soured"; "The wine worked"; "The cream has turned--we have to throw it out"

one of the four basic taste sensations; like the taste of vinegar or lemons

having a sharp biting taste

Having an acid or sharp, biting taste, like vinegar, and the juices of most unripe fruits; acid; tart.

Changed, as by keeping, so as to be acid, rancid, or musty, turned.

Disagreeable; unpleasant; hence; cross; crabbed; peevish; morose; as, a man of a sour temper; a sour reply.

Afflictive; painful.

Cold and unproductive; as, sour land; a sour marsh.

To cause to become sour; to cause to turn from sweet to sour; as, exposure to the air sours many substances.

To make cold and unproductive, as soil.

To make unhappy, uneasy, or less agreeable.

To cause or permit to become harsh or unkindly.

To macerate, and render fit for plaster or mortar; as, to sour lime for business purposes.

To become sour; to turn from sweet to sour; as, milk soon sours in hot weather; a kind temper sometimes sours in adversity.

Having an acid or sharp, biting taste; turned or changed so as to become acid, rancid, or musty; cross.

To turn to acid; to make or become cross.

Sourly.

Sourness.

Sourly.

Sourness.

Having a pungent, acid taste: turned, as milk: rancid: crabbed or peevish in temper: bitter.

To make sour or acid: to make cross, peevish, or discontented.

To become sour or acid: to become peevish or crabbed.

Sourly.

Sourness.

To make or become sour or morose.

Sharp to the taste; acid; fermented.

Austere; morose.

Something sour.

Acid; tart; crabbed.

To make, or become, sour.

n. A sour or acid substance; an acid.