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

Leave a small gap between the tack strips and the wall, about two-thirds the thickness of the carpet. —Timothy Dale, Better Homes & Gardens, 12 July 2024

Shoppers praised the thickness of the seat cushions and the overall quality and durability of the set. —Bridget Degnan, Peoplemag, 9 July 2024

This serum will help support visible thickness and strength, reduce hair breakage, and replenish nutrients directly at the scalp. —Kirsten Chanel Webber, Rolling Stone, 9 July 2024

Scientists are greatly intrigued by the opportunity to study the far side of the lunar surface, which varies significantly from the near side in terms of the thickness of the crust, volcanic activity, and its composition. —Eric Berger, Ars Technica, 25 June 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