Not in harmony or accord. / Harsh or dissonant-sounding. / (public health) Serodiscordant. / (geology) Of a differing type of rock cutting across a formation. / (mathematics) Of opposite sign.

Lack of concord, agreement or harmony. / Tension or strife resulting from a lack of agreement; dissension. / (music) An inharmonious combination of simultaneously sounded tones; a dissonance.

(intransitive, archaic) To disagree; to fail to agree or harmonize; clash. / (transitive, rare) To untie things which are connected by a cord.

(transitive, humorous) To throw into a state of confusion; to befuddle or perplex.

The act of discoloring, or the state of being discolored; alteration of hue or appearance. / A discolored spot; a stain.

To deduct from an account, debt, charge, and the like. / To lend money upon, deducting the discount or allowance for interest

A reduction in price. / (finance) A deduction made for interest, in advancing money upon, or purchasing, a bill or note not due; payment in advance of interest upon money.

(of a store) Specializing in selling goods at reduced prices.

(slang, idiomatic, euphemistic) Theft or pilferage, typically of a small item; shoplifting.

(transitive) To upset the composure of. / (transitive) To bring into confusion. / (transitive) To frustrate, discomfit.