/ Dictionary / Index S sopor: Meaning and Definition of Find definitions for: so•por Pronunciation: (sō'pur), [key] — n. a deep, unnatural sleep; lethargy. Often,methaqualone. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: sopor (Thesaurus) Sophy soporiferous Related Content Daily Word Quiz: neologism Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language