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

While there are certainly products that can be used across different hair textures, lengths, curl patterns, thicknesses, colors (natural and unnatural), and needs, hair products are often created with specific consumers in mind. —Jenny Berg, Allure, 31 Dec. 2024

While the Big Bang case retains its 44 mm diameter and 13.75 mm thickness, its grey titanium and carbon body is sculpted in organically elegant honeycomb shapes that are alive with intriguing textures and forms. —Kyle Roderick, Forbes, 19 Dec. 2024

With a thickness between a milky lotion and cream, this achieves weightless moisture without skimping on any of the dryness-alleviating properties. —Kiana Murden, Vogue, 18 Dec. 2024

This serum will help support visible thickness and strength, reduce hair breakage, and replenish nutrients directly at the scalp. —Claire Rutter, Rolling Stone, 12 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