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

Amaral began using horsehair as a material in the late 1960s, exploiting its natural stiffness which enabled her to scale up her work, for example with ‘Gran Muro’ (‘Great Wall’) which features strips of different lengths and thicknesses stitched onto a cotton backing. —Lee Sharrock, Forbes, 29 Oct. 2024

One theory is that, even though male athletes tend to be taller and heavier than female athletes, the maximum midsole thickness of 40 millimetres (about 1.6 inches) imposed by World Athletics is the same for everyone. —Alex Hutchinson, Outside Online, 22 Oct. 2024

The radar will also study the ice’s structure and thickness, as well as the moon’s surface topography, composition, and roughness. —Eric Lagatta, USA TODAY, 14 Oct. 2024

Shake the jar until combined, and enjoy—the chia seeds will add thickness and texture to your dressing. 9. —Merve Ceylan, Health, 14 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