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.
The plot continues to thicken as March 30 marks the beginning of Neptune’s journey through Aries after transiting in Pisces since 2011. Valerie Mesa, People.com, 20 Mar. 2025 Twists On Tradition Throughout the bushwacker’s history, different places have put their own spin on the ingredient list, but the drink usually contains some combo of rum, coffee liqueur, crème de cacao, amaretto and coconut cream, thickened with milk, half-and-half or ice cream. Jennifer Stewart Kornegay, Southern Living, 19 Mar. 2025 The eye flattens due to fluid redistribution, the retinal nerve fiber layer can thicken, and there is a refractive shift so the vision can blur in space. Jen Christensen, CNN, 18 Mar. 2025 The plot has thickened in a power struggle over Hilma af Klint‘s legacy, with her great-grandnephew, the chair of the late artist’s eponymous foundation, now seeking to keep her paintings in a private temple accessible only to spiritual seekers. Francesca Aton, ARTnews.com, 13 Mar. 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 2 Apr. 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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