thickness

noun

thick·​ness ˈthik-nəs How to pronounce thickness (audio)
1
: the smallest of three dimensions
length, width, and thickness
2
: the quality or state of being thick
3
a
: viscous consistency
boiled to the thickness of honey
b
: the condition of being smoky, foul, or foggy
4
: the thick part of something
5
6
7
: layer, ply, sheet
a single thickness of canvas

Examples of thickness in a Sentence

The plank measures two inches in thickness. the length, circumference, and thickness of the log Plywood is available in various thicknesses. Cooking time will vary depending on the thickness of the steak. I added flour to increase the gravy's thickness. I was surprised by the thickness of his accent.
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.
Use the bottom of a heavy glass or measuring cup to smash carrots, without breaking them, to about 1/2-inch thickness. Madalyn Bendgen, Better Homes & Gardens, 29 Oct. 2025 The pillow’s thickness is laud-worthy. Julia Harrison, Architectural Digest, 24 Oct. 2025 The type of material used and the thickness of the fabric determine the warmth of flannel. Bestreviews, Mercury News, 24 Oct. 2025 The team members measured the thickness and location of different rock layers, collected samples for testing and identified all of the spots where fossils were found over the last century and a half. Ashley Strickland, CNN Money, 23 Oct. 2025 See All Example Sentences for thickness

Word History

First Known Use

before the 12th century, in the meaning defined at sense 1

Time Traveler
The first known use of thickness was before the 12th century

Browse Nearby Words

Cite this Entry

“Thickness.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/thickness. Accessed 30 Oct. 2025.

Kids Definition

thickness

noun
thick·​ness ˈthik-nəs How to pronounce thickness (audio)
1
: the quality or state of being thick
2
: the smallest of three dimensions
length, width, and thickness
3
: the thick part of something
4
: layer entry 1 sense 2
a single thickness of canvas

More from Merriam-Webster on thickness

Last Updated: - Updated example sentences
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