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  1. VISCOUS Definition & Meaning - Merriam-Webster

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

  2. VISCOUS | definition in the Cambridge English Dictionary

    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)

  3. VISCOUS Definition & Meaning | Dictionary.com

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

  4. Viscous - definition of viscous by The Free Dictionary

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

  5. viscous adjective - Definition, pictures, pronunciation and ...

    Definition of viscous adjective in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

  6. VISCOUS definition and meaning | Collins English Dictionary

    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. …

  7. viscous - Wiktionary, the free dictionary

    Dec 14, 2025 · viscous (comparative more viscous, superlative most viscous) Having a thick, sticky consistency between solid and liquid (that is, a high viscosity). synonyms, antonym …