thickness

noun

thick·​ness ˈthik-nəs 

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

• consistence
• consistency
• density
• viscidity
• viscosity

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

Despite being a whopping 282,000 kilometers across, the rings measure only a few meters in thickness at certain points. —Sean Mowbray, Discover Magazine, 20 Dec. 2024

Each bank reportedly owned a particular colorway or fabric, while the thickness and spacing of the stripes themselves delineated a person’s rank within the company. —Leah Dolan, CNN, 17 Dec. 2024

Roll the center third of the dough to a thickness of 1⁄4 inch, leaving the top and bottom edges of the dough thicker; the long side of dough closest to you should be slightly thicker than the long side farthest from you. —Jason Mastrodonato, The Mercury News, 16 Dec. 2024

The next day, roll the dough on a floured board to 1/8 inch thickness. —Eva Syrovy, The Denver Post, 11 Dec. 2024

Word History

First Known Use

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

Kids 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