viscous

adjective
vis·​cous | \ ˈvi-skəs How to pronounce viscous (audio) \

Definition of viscous

1 : having a thick or sticky consistency : viscid viscous secretions viscous corn syrup
2 technical : having or characterized by a high resistance to flow viscous lava

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Other Words from viscous

viscously adverb
viscousness noun

Synonyms & Antonyms for viscous

Synonyms

ropy (also ropey), syrupy, thick, viscid

Antonyms

runny, soupy, thin, watery

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Examples of viscous in a Sentence

viscous syrup that takes forever to pour from a narrow-neck bottle

Recent Examples on the Web

Clear resin, a Kienholz standard, trails down their faces like tears, their legs like sweat, the windowpanes like viscous rain. Los Angeles Times, "Nancy Reddin Kienholz, who pushed art boundaries with husband Edward, dies at 75," 9 Aug. 2019 The result is a mouth feel that’s smooth and viscous versus brittle and coarse. Daniel Wolfe, Quartzy, "The science of slushy drinks and how to make a good one," 9 Aug. 2019 Chewy, thick tapioca noodles and chunks of crab comprise the viscous, briny banh canh cua. Dominic Armato, azcentral, "The best restaurants in Mesa," 15 July 2019 The brown bottle labeled Promethazine containing a green viscous liquid was confirmed as Promethazine with a weight of about 448.113 grams. Houston Chronicle, "Bellaire Police Department weekly report," 15 July 2019 Isolate chitosan from mushrooms and dissolve it in water to create a viscous gel. Natalie R. Rubio, The Conversation, "So far cultured meat has been burgers – the next big challenge is animal-free steaks," 5 July 2019 Enhancements to the engine relative to the 50i's unit include a block made of a new aluminum alloy, a viscous damper on the crankshaft, stronger pistons and piston rings, and an iron coating on the cylinder walls. Daniel Golson, Car and Driver, "The 2020 BMW X5 and X7 Get New M50i Performance Variants," 22 May 2019 Oxygen-Depleted Blood This darker, viscous blood is made for smearing (á la the shower curtain in Psycho). Gabriella Vigoreaux, Good Housekeeping, "How to Make Fake Blood for Halloween," 31 July 2018 Toward the end, the dancers clumped together and switched into a slow-motion mass, shape-shifting across the stage, with Stephanie Kim pulling away for a solo of a deliberate viscous quality. Laura Bleiberg, latimes.com, "Barak Ballet at the Broad Stage: New moves for a company on the verge," 1 July 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'viscous.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of viscous

14th century, in the meaning defined at sense 1

History and Etymology for 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

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More Definitions for viscous

viscous

adjective

English Language Learners Definition of viscous

of a liquid : thick or sticky : not flowing easily

viscous

adjective
vis·​cous | \ ˈvis-kəs How to pronounce viscous (audio) \

Medical Definition of viscous

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

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