thickness

noun

thick·​ness ˈthik-nəs How to pronounce thickness (audio)
Synonyms of thicknessnext
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
: concentration, density
6
: stupidity, dullness
7
: layer, ply, sheet
a single thickness of canvas

Synonyms of thickness

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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.
Further, during the experiments, the chip’s light-guiding structure’s thickness was kept at 25 nanometers to cut down optical losses. — Muskan Bhatia, Interesting Engineering, 30 Oct. 2026 Despite changes in thickness and weight, the new MacBook Pro’s connectivity suite remains unchanged across both models. — Joe Osborne, PC Magazine, 29 Oct. 2026 The new iPad mini has roughly the same footprint as the 2024 release, but the display is slightly larger thanks to a 24 percent reduction in bezel thickness. — ArsTechnica, 26 Oct. 2026 This recipe, slightly adapted for thickness, provides a just-charred, roasted edge to the classic tomato soup due to broiling a heaping pile of vegetables together. — Jack Dolan, Los Angeles Times, 22 Oct. 2026 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

Rhymes for thickness

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Browse Nearby Words

thickneck
thickness
thickness gage
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Cite this Entry

“Thickness.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/thickness. Accessed 1 Nov. 2026.

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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
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