thickness

noun

thick·​ness ˈthik-nəs How to pronounce thickness (audio)
Synonyms of thicknessnext
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

See All Synonyms & Antonyms in Thesaurus

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.
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The Antarctic ice sheet, which covers 98% of the continent, averages around 1.2 miles in thickness, with its thickest point reaching nearly 3 miles, the Australian Antarctic Program reports. — Doyle Rice, USA TODAY, 14 Mar. 2025 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. — Siena Gagliano, Allure, 11 Mar. 2025 Tuna crudo, with nicely cut chunks of fish that have the right amount of thickness, shines with seasonal citrus and a purée of garden herbs at Rosemary’s. — Andy Wang, Forbes, 10 Mar. 2025 The input tray was especially easy to load with documents of varying sizes and thicknesses. — David English, PCMAG, 9 Mar. 2025 See All Example Sentences for thickness

Word History

First Known Use

before the 12th century, in the meaning defined at sense 1

Time Traveler
The first known use of thickness was before the 12th century

Rhymes for thickness

See All Rhymes for thickness

Browse Nearby Words

thickness
See all Nearby Words

Cite this Entry

“Thickness.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/thickness. Accessed 23 Mar. 2025.

Copy Citation

Share

Kids Definition

thickness

noun
thick·​ness ˈthik-nəs How to pronounce thickness (audio)
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

More from Merriam-Webster on thickness

Nglish: Translation of thickness for Spanish Speakers

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

Popular in Grammar & Usage

See More

The Difference Between 'i.e.' and 'e.g.'

How to Use Em Dashes (—), En Dashes (–) , and Hyphens (-)

Why is '-ed' sometimes pronounced at the end of a word?

What's the difference between 'fascism' and 'socialism'?

More Commonly Misspelled Words
See More

Popular in Wordplay

See More

What do SCOTUS, POTUS, and FLOTUS mean?

Flower Etymologies For Your Spring Garden

More Words with Remarkable Origins

Terroir, Oenophile, & Magnum: Ten Words About Wine

8 Words for Lesser-Known Musical Instruments
See More

Popular Features

See More

The Difference Between 'i.e.' and 'e.g.'

What do SCOTUS, POTUS, and FLOTUS mean?

Flower Etymologies For Your Spring Garden
See More

Games & Quizzes

See All
Play Quordle: Guess all four words in a limited number of tries. Each of your guesses must be a real 5-letter word.
Quordle Can you solve 4 words at once?
Play Blossom: Solve today's spelling word game by finding as many words as you can using just 7 letters. Longer words score more points.
Blossom Word Game Pick the best words!
Play Missing Letter: a crossword with a twist. Each of the 25 puzzle words start with a different letter of the alphabet. Which letter is missing?
Missing Letter A daily crossword with a twist
dog-in-disguise
Rhyme Disguise Quiz Pair up words that look different but sound alike.
See All