adjective vis·cous \ˈvis-kəs\

of a liquid : thick or sticky : not flowing easily

Full Definition of VISCOUS

:  viscid
:  having or characterized by viscosity <viscous lava>
vis·cous·ly adverb
vis·cous·ness noun

Examples of VISCOUS

  1. <viscous syrup that takes forever to pour from a narrow-neck bottle>

Origin of VISCOUS

Middle English viscouse, from Anglo-French viscos, from Late Latin viscosus full of birdlime, viscous, from Latin viscum mistletoe, birdlime; akin to Old High German wīhsila cherry, Greek ixos mistletoe
First Known Use: 14th century

Other Chemical Engineering Terms

alkali, cation, decant, hygroscopic, isotope, oxidize, slurry, solute

Rhymes with VISCOUS

Medical Dictionary


adjective vis·cous \ˈvis-kəs\

Medical Definition of VISCOUS

:  having a glutinous consistency and the quality of sticking or adhering :  viscid
:  having or characterized by viscosity <a viscous flow>


Next Word in the Dictionary: viscumPrevious Word in the Dictionary: viscountessAll Words Near: viscous
July 07, 2015
hoosegow Hear it
Take a 3-minute break and test your skills!
How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears