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

For instant thickness, clip-in extensions are always an option, and don’t forget to keep your scalp healthy for better hair growth. —Christa Joanna Lee, Allure, 25 Oct. 2024

The new version takes it to the next level by adding a tourbillon – without increasing the thickness. —Carol Besler, Robb Report, 23 Oct. 2024

Gunn also endorses this device, advising that those with thick or coarse hair may experience more of a reduction in hair thickness rather than complete removal. —Iman Balagam, Vogue, 22 Oct. 2024

The diaphragm then undergoes another round of baking and molding, resulting in a final thickness of about 0.1mm. —Mark Sparrow, Forbes, 20 Oct. 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