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



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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 This month, on the frozen plains of Saskatchewan in Canada, workers began to inject steam and air into the Superb field, a layer of sand 700 meters down that holds 200 million barrels of thick, viscous oil. Eric Hand, Science | AAAS, "Company to harvest green hydrogen from underground oil fires," 6 Feb. 2020 And without a doubt, Kacey Musgraves has clearly surpassed the minimum requirements for being memorialized in a viscous substance. Marci Robin, Allure, "Kacey Musgraves's Wax Figure Has a More Elaborate Makeup Routine Than I Do," 15 Mar. 2020 That dish, which will be on the restaurant’s menu starting next week, also incorporated aquafaba, the slightly viscous water in cans of chickpeas, which is sometimes used as an egg white substitute. Washington Post, "This high-tech vegan ice cream may be good enough to fool even die-hard dairy lovers," 1 Oct. 2019 Tourism and recreation industries are forecast to suffer as the viscous water repels potential visitors. Maya Sweedler, WSJ, "Florida Fights Giant Algal Bloom in Lake Okeechobee," 16 July 2018 In 2009, researchers at Wageningen University found that viscous yoghurt was perceived as more satiating than its thinner counterpart. Chase Purdy, Quartz, "Scientists are exploring food crunchiness as a tool to fight obesity," 15 Feb. 2020 The viscous goo shields the component from electrical interference and eliminates fidelity-robbing vibrations so nothing comes between you and sonic bliss. Popular Science, "Inside America’s legendary audio gear factory," 7 Feb. 2020 Specifically, the team found that a disk must be puffy and highly viscous to exhibit such speedy changes. Shannon Hall, Scientific American, "Lights Out: Astronomers Illuminate the Mystery of Vanishing Quasars," 12 Dec. 2019 This residue is usually just a nuisance—a viscous smear of blood and guts that no one notices until the post-flight inspection. Brendan I. Koerner, Wired, "It's a Bird! It's a Plane! The Midair Collisions Menacing Air Travel," 24 Jan. 2020

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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Time Traveler for viscous

Time Traveler

The first known use of viscous was in the 14th century

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Statistics for viscous

Last Updated

17 May 2020

Cite this Entry

“Viscous.” Dictionary, Merriam-Webster, Accessed 29 May. 2020.

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More Definitions for viscous


How to pronounce viscous (audio)

English Language Learners Definition of viscous

of a liquid : thick or sticky : not flowing easily


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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More from Merriam-Webster on viscous

Thesaurus: All synonyms and antonyms for viscous

Rhyming Dictionary: Words that rhyme with viscous

Spanish Central: Translation of viscous

Nglish: Translation of viscous for Spanish Speakers

Britannica English: Translation of viscous for Arabic Speakers

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