A very wicked or cruel person; (in Middle English sometimes) a man of gigantic stature or strength, a giant. In weakened sense: a person who is very…

A person who is malevolent or hostile.

transferred. A person of superhuman wickedness. (Now only with reference to cruelty or malignity.)

A person likened to a hellhound, a fiend; a bad or evil person.

figurative and in extended use. Often with of, to. A person who is opposed to or prejudiced against a state, condition, etc.

A venomous malignant person, a shrew.

figurative. Often attributive.

One who wishes evil to another; one who cherishes ill will or hostile feeling.

figurative. Applied to a venomous malignant person.

A malign person. rare.

A bad-tempered or spiteful person; = attercop, n. 2.

A cruel, wicked, or destructive person or animal. Also in weakened use: a mischievous or unmanageable person, esp. a child. Cf. devil, n. 4, fiend, n.…

In other figurative or allusive uses. In allusion to the fable of the viper reared or revived in a person's bosom: One who betrays or is false to…

Hence frequent allusions to ancient and medieval tales of dragons, as those which watchfully guarded the Gardens of the Hesperides, those which…

One who wishes evil to another; an ill-willer.

A person of evil wishes or designs. Obsolete.

A malevolent person.