/ Dictionary / Index P paradoxical sleep: Meaning and Definition of Find definitions for: paradox'ical sleep' Pronunciation: [key] — Physiol. Physiol. See Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. paradox paradrop Related Content Daily Word Quiz: inutiae Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language