as in thick
being of a consistency that resists flow
viscous syrup that takes forever to pour from a narrow-neck bottle
Synonyms & Similar Words
Relevance
Antonyms & Near Antonyms
Example Sentences
Examples are automatically compiled from online sources to
show current usage.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
Recent Examples of viscous
The mouth feel, while not especially viscous, does just enough to allow flavors to linger across multiple quadrants of the tongue.
—
David Thomas Tao, Forbes.com, 10 Aug. 2025
As water evaporated, the juice was ladled from vat to vat, progressively reducing until a thick, viscous syrup remained.
—Literary Hub, 29 July 2025
In its natural form, often called crude oil, petroleum is a dark viscous substance sometimes tinted yellow.
—Ian Rose, JSTOR Daily, 23 July 2025
What is high-fructose corn syrup? High-fructose corn syrup is a viscous, sugary substance made from corn starch.
—Mary Walrath-Holdridge, USA Today, 18 July 2025
See All Example Sentences for viscous
David Thomas Tao, Forbes.com, 10 Aug. 2025
As water evaporated, the juice was ladled from vat to vat, progressively reducing until a thick, viscous syrup remained.
—Literary Hub, 29 July 2025
In its natural form, often called crude oil, petroleum is a dark viscous substance sometimes tinted yellow.
—Ian Rose, JSTOR Daily, 23 July 2025
What is high-fructose corn syrup? High-fructose corn syrup is a viscous, sugary substance made from corn starch.
—Mary Walrath-Holdridge, USA Today, 18 July 2025
See All Example Sentences for viscous
Recent Examples of Synonyms for viscous
Adjective
-
Some models suggest that K2-18b is a hycean world — an ocean planet with a thick atmosphere of hydrogen — and the signature of dimethyl sulfide was detected by the James Webb Space Telescope.—
Keith Cooper,
Space.com,
1 Oct. 2025
-
Its fabric is thick but not too heavy, according to reviewers, which is great for someone like me whose body temperature fluctuates constantly.—
Melody Kazel,
PEOPLE,
1 Oct. 2025
Adjective
-
Qau will feature a cocktail program as well as seasonal and pantry products like mooncakes, Tết sticky rice cakes, saté paste, kaya jam and dessert kits.—
Brock Keeling,
Oc Register,
26 Sep. 2025
-
The sticky, toxic by-product of renewable energy production has haunted the industry for decades, causing headaches for engineers and researchers alike.—
Neetika Walter,
Interesting Engineering,
26 Sep. 2025
Adjective
-
Cook, stirring frequently until the mixture is thick and syrupy, about 10 minutes.—
Katlyn Moncada,
Better Homes & Gardens,
7 Sep. 2025
-
Unlike a liqueur, this isn’t built on syrupy sweetness.—
Emily Price,
Forbes.com,
26 Aug. 2025
Cite this Entry
“Viscous.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/viscous. Accessed 2 Oct. 2025.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
Share