Definition of viscous in English:



  • Having a thick, sticky consistency between solid and liquid; having a high viscosity.

    ‘viscous lava’
    • ‘Gentle heating for about five hours produces a sauce which is thick and viscous in consistency.’
    • ‘His hands were coated in viscous white liquid and he waved them around maniacally.’
    • ‘A viscous, silvery liquid flowed down his arms and solidified into a pair of claws.’
    • ‘They crowded around the counter drowning themselves in glass after shot glass of viscous liquid.’
    • ‘Theory predicts that the quantum vacuum behaves in some ways like a viscous fluid.’
    • ‘In some cases, they have been burnt by leaking mustard gas, which, despite its name, is a thick, viscous liquid.’
    • ‘Their thick, viscous blood rained heavy upon the ground, oozing into scale, skin and fur.’
    • ‘The fog bank looked thick, almost viscous, seeming to have a life all its own.’
    • ‘She then suddenly spat at him, her saliva mixed with thick, viscous blood.’
    • ‘Naturally, it would take a long time for a very viscous liquid to be squeezed out of a sponge and to percolate to the top.’
    • ‘When large intermolecular forces are present, a liquid will tend to be thick or highly viscous.’
    • ‘As his eyes cleared, Nicholas found himself in a huge vat of viscous liquid.’
    • ‘The honey is much thicker and more viscous, and it pours very slowly compared with the water.’
    • ‘Some volcanoes appear similar to those formed from eruption of thick, viscous lavas on Earth.’
    • ‘Looking to the blood red moon I lift the vial and pour a black viscous liquid into my open mouth.’
    • ‘Aloe vera juice is a yellowish viscous liquid - it shouldn't look or taste like water.’
    • ‘Various viscous liquids were used in the heating process to emulsify the rubber.’
    • ‘Our cars run on fuel, which, to some, is a thick viscous liquid that needs to be filled in the petrol tank periodically.’
    • ‘The joint also produces a thick viscous fluid called synovial fluid, which helps in smooth and painless movement.’
    • ‘If the lava is very viscous, and there is a great deal of gas present, pumice is formed.’
    sticky, gummy, glue-like, gluey, adhesive, tacky, adhering, adherent, sticking, clinging, treacly, syrupy
    glutinous, gelatinous, thick, viscid, pasty, mucous, mucoid, mucilaginous, jelly-like, slimy
    gooey, gunky, gloopy, cloggy, icky
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Late Middle English: from Anglo-Norman French viscous or late Latin viscosus, from Latin viscum birdlime.