/ Dictionary / Index V viscous: Meaning and Definition of Find definitions for: vis•cous Pronunciation: (vis'kus), [key] — adj. of a glutinous nature or consistency; sticky; thick; adhesive. having the property of viscosity. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: viscous (Thesaurus) viscounty Visct. Related Content Daily Word Quiz: quandary Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language