The meaning of VISCOUS is having a thick or sticky consistency : viscid. How to use viscous in a sentence.

VISCOUS definition: of a glutinous nature or consistency; sticky; thick; adhesive. See examples of viscous used in a sentence.

When two fluid layers move relative to each other, a friction force develops between them and the slower layer acts to slow down the faster layer. This internal resistance to flow is described by the …

viscous (ˈvɪskəs) or viscose adj 1. (of liquids) thick and sticky; viscid 2. having or involving viscosity

Add to word list (of a liquid) thick and sticky; not flowing easily: viscous oil (Definition of viscous from the Cambridge Academic Content Dictionary © Cambridge University Press)

(of a liquid) thick and sticky; not flowing freely. Definition of viscous adjective in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, …

In oil and syrup, the particles move sluggishly; such liquids are termed viscous. A viscous fluid is a fluid which does not flow easily. Collins COBUILD Key Words for Chemical Engineering. Copyright © …

viscous, adj. meanings, etymology, pronunciation and more in the Oxford English Dictionary

Jan 20, 2026 · Adjective viscous (comparative more viscous, superlative most viscous) Having a thick, sticky consistency between solid and liquid (that is, a high viscosity). Synonyms: syrupy, viscid, …

Viscous definition: Having relatively high resistance to flow.