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 some can be used across different hair textures, lengths, curl patterns, thicknesses, colors (natural and unnatural), and concerns, many are created with specific consumers and their needs in mind. —Christa Joanna Lee, Allure, 2 Nov. 2024

Jones has strained his right shoulder and incurred a small partial thickness tear in his rotator cuff, he is expected to miss between two-to-four weeks. —Marco Rubio, Newsweek, 1 Nov. 2024

While many didn’t supply much outside of a nice scent and a tingling sensations, others improved our strands before our very eyes — filling in previously patchy spots, boosting thickness, and restoring the confidence from our good hair days of yore. —Alyssa Brascia, People.com, 29 Oct. 2024

The kind, thickness and color of the paper can vary by the machine tabulating the ballot, which varies by county. —Kris Van Cleave, CBS News, 29 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