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
Synonyms
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
Plyometric training increases thickness and volume of knee articular cartilage in mice
Cleveland Clinic.
—
Jack Knudson, Discover Magazine, 13 Feb. 2025
The sites hawk their wares with scientific specificity: microprinting in dots per inch, card thickness in micrometers (polycarbonate stock for that stiff, authentic feel) and various types of laminates.
—Kaja Andric, New York Times, 13 Feb. 2025
But even without stretch, cotton flannel generally doesn't wrinkle due to the thickness and twill texture.
—Theresa Holland, Travel + Leisure, 11 Feb. 2025
Chicken-Fried Mushrooms With Creamy Mushroom Gravy Test Kitchen Tips For Making Company Chicken
If chicken cutlets are not even in thickness, some might take a good bit longer to cook in some spots and over cook in others, resulting in a chewy chicken.
—Jasmine Smith, Southern Living, 8 Feb. 2025
See all Example Sentences for thickness 
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.
Jack Knudson, Discover Magazine, 13 Feb. 2025
The sites hawk their wares with scientific specificity: microprinting in dots per inch, card thickness in micrometers (polycarbonate stock for that stiff, authentic feel) and various types of laminates.
—Kaja Andric, New York Times, 13 Feb. 2025
But even without stretch, cotton flannel generally doesn't wrinkle due to the thickness and twill texture.
—Theresa Holland, Travel + Leisure, 11 Feb. 2025
Chicken-Fried Mushrooms With Creamy Mushroom Gravy Test Kitchen Tips For Making Company Chicken
If chicken cutlets are not even in thickness, some might take a good bit longer to cook in some spots and over cook in others, resulting in a chewy chicken.
—Jasmine Smith, Southern Living, 8 Feb. 2025
See all Example Sentences for thickness
Dictionary Entries Near thickness
Cite this Entry
“Thickness.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/thickness. Accessed 25 Feb. 2025.
Copy CitationKids Definition
thickness
noun
thick·ness
ˈthik-nəs 
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
Love words? Need even more definitions?
Merriam-Webster unabridged
Share