thicken

verb

thick·​en ˈthi-kən How to pronounce thicken (audio)
thickened; thickening ˈthi-kə-niŋ How to pronounce thicken (audio)
ˈthik-

intransitive verb

1
a
: to become dense
the mist thickened
b
: to become concentrated in numbers, mass, or frequency
2
: to grow blurred or obscure
3
: to grow broader or bulkier
4
: to grow complicated or keen
the plot thickens

transitive verb

1
a
: to make thick, dense, or viscous in consistency
thicken gravy with flour
b
: to make close or compact
2
: to increase the depth or diameter of
3
: to make inarticulate : blur
alcohol thickened his speech
thickener noun

Examples of thicken in a Sentence

I thickened the gravy with flour. When the mixture thickens, add the remaining ingredients. The fog thickened when night fell.
Recent Examples on the Web
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.
Fried thigh strips pop out against a frilly red and green spring mix, apple and carrot slivers, ever-present blue cheese crumbles and an apple cider vinaigrette thickened with egg yolks, which is also used in Pangaea’s slaw. Benjy Egel, Sacramento Bee, 7 Mar. 2025 Tester review: This thickening shampoo was one of my holy grails during a period of time where my hair was thinning around the crown of my head. Malia Griggs, Glamour, 19 Feb. 2025 The potatoes, meanwhile, absorb those stronger flavors while their neat edges soften and tiny bits of potato slough off, gently thickening the soup. The Washington Post, San Diego Union-Tribune, 12 Feb. 2025 Adding bacterial culture to milk thickens the mixture and adds a tangy taste.1 Most types of low-fat or nonfat yogurt have a smooth, creamy texture. Allison Herries, Verywell Health, 10 Feb. 2025 See All Example Sentences for thicken

Word History

First Known Use

14th century, in the meaning defined at intransitive sense 1a

Time Traveler
The first known use of thicken was in the 14th century

Browse Nearby Words

Cite this Entry

“Thicken.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/thicken. Accessed 12 Mar. 2025.

Kids Definition

thicken

verb
thick·​en ˈthik-ən How to pronounce thicken (audio)
thickened; thickening -(ə-)niŋ How to pronounce thicken (audio)
1
: to make or become thick, dense, or viscous
thicken gravy with flour
2
: to become complicated
the plot thickens
thickener noun

More from Merriam-Webster on thicken

Last Updated: - Updated example sentences
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