One who works harm; a malefactor; a wretch, fiend, monster. Obsolete.

In extended use. A person, animal, or plant whose presence, behaviour, or activities are damaging, troublesome, or (in weakened use) merely…

One who or that which wounds.

A pestilent thing or person; a pestilence.

One who or that which harms; an injurer.

An injurer or misuser of something.

One who molests or troubles another; the causer of a grievance. Obsolete.

One who injures, an injurer.

One who injures.

a person who causes a nuisance.

one who throws vitriol with intent to injure.

colloquial. A troublesome or irritating person. Cf. nuisance, n. 2c.