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viscous

American  
[vis-kuhs] / ˈvɪs kəs /

adjective

  1. of a glutinous nature or consistency; sticky; thick; adhesive.

  2. having the property of viscosity.

viscous British  
/ ˈvɪskəs /

adjective

  1. (of liquids) thick and sticky; viscid

  2. having or involving viscosity

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
viscous Scientific  
/ vĭs′kəs /

  1. Having relatively high resistance to flow (high viscosity).

Other Word Forms

  • hyperviscous adjective
  • pseudoviscous adjective
  • viscously adverb
  • viscousness noun

Etymology

Origin of viscous

1350–1400; Middle English < Late Latin viscōsus, equivalent to Latin visc ( um ) mistletoe, birdlime (made with mistletoe berries) + -ōsus -ous

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.