(countable, uncountable) An intense distressing emotion of fear or repugnance.

(countable, uncountable) Something horrible; that which excites horror.

(countable, uncountable) Intense dislike or aversion; an abhorrence.

(uncountable) A genre of fiction designed to evoke a feeling of fear and suspense.

(countable) An individual work in this genre.

(countable, colloquial) A nasty or ill-behaved person; a rascal or terror.

(informal) An intense anxiety or a nervous depression; often the horrors.

(in the plural, informal) Delirium tremens.