Associations to the word «Nightmare»

Wiktionary

NIGHTMARE, noun. (now rare) A female demon or monster, thought to plague people while they slept and cause a feeling of suffocation and terror during sleep.
NIGHTMARE, noun. A very bad or frightening dream.
NIGHTMARE, noun. (figuratively) Any bad, miserable, difficult or terrifying situation or experience that arouses anxiety, terror, agony or great displeasure.

Dictionary definition

NIGHTMARE, noun. A situation resembling a terrifying dream.
NIGHTMARE, noun. A terrifying or deeply upsetting dream.

Wise words

Don't you know this, that words are doctors to a diseased temperment?
Aeschylus