as in thick
being of a consistency that resists flow
viscous syrup that takes forever to pour from a narrow-neck bottle
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Recent Examples of viscous
While heavy crude oil is what is predominantly being drilled for today, its viscous consistency and high levels of metals and sulfur mean extracting and refining this product is significantly more costly than its light crude counterpart.
—
Sasha Rogelberg, Fortune, 5 Jan. 2026
And its cheap and viscous oil proved to be the perfect blend for American oil companies, which built their entire refinery infrastructure for Venezuela’s brand of crude.
—Elisabeth Buchwald, CNN Money, 4 Jan. 2026
At temperatures above 2,000 °F (1,093 °C), the radioactive compounds dissolve into the viscous glass, locking each element into a stable atomic matrix.
—New Atlas, 14 Dec. 2025
The soups are generally thickened to give them a viscous texture that sticks to the starch.
—Sean Timberlake, Sacbee.com, 11 Dec. 2025
See All Example Sentences for viscous
Sasha Rogelberg, Fortune, 5 Jan. 2026
And its cheap and viscous oil proved to be the perfect blend for American oil companies, which built their entire refinery infrastructure for Venezuela’s brand of crude.
—Elisabeth Buchwald, CNN Money, 4 Jan. 2026
At temperatures above 2,000 °F (1,093 °C), the radioactive compounds dissolve into the viscous glass, locking each element into a stable atomic matrix.
—New Atlas, 14 Dec. 2025
The soups are generally thickened to give them a viscous texture that sticks to the starch.
—Sean Timberlake, Sacbee.com, 11 Dec. 2025
See All Example Sentences for viscous
Recent Examples of Synonyms for viscous
Adjective
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Alternatively, the far side has a thick crust, higher elevations and far fewer signs of previous volcanic activity, Andrews-Hanna said.—
Ashley Strickland,
CNN Money,
21 Feb. 2026
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Keranique formulas combine strengthening proteins, scalp-nourishing ingredients and lightweight volumizing technology to support thicker, fuller-looking hair for women of every age, and instantly boost the appearance of density, without weighing hair down.—
Tory Johnson,
ABC News,
21 Feb. 2026
Adjective
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Neighbor disputes can be sticky, and the one between Fort Worth, Aledo and Willow Park is no exception.—
Matthew Adams,
Fort Worth Star-Telegram,
17 Feb. 2026
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Baking Soda and Hydrogen Peroxide Even with regular cleaning, the grids on a waffle maker will develop an oily, sticky residue after a period of time.—
Mary Marlowe Leverette,
The Spruce,
15 Feb. 2026
Cite this Entry
“Viscous.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/viscous. Accessed 24 Feb. 2026.
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