/ Dictionary / Index N night terror: Meaning and Definition of Find definitions for: night' ter"ror Pronunciation: [key] — Psychiatry. Psychiatry. a sudden feeling of extreme fear that awakens a sleeping person, usually during slow-wave sleep, and is not associated with a dream or nightmare. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. night table nighttide Related Content Daily Word Quiz: immense Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language