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

Definition of thickness

1 : the smallest of three dimensions length, width, and thickness
2 : the quality or state of being thick
3a : viscous consistency boiled to the thickness of honey
b : the condition of being smoky, foul, or foggy
4 : the thick part of something
7 : layer, ply, sheet a single thickness of canvas

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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.
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Recent Examples on the Web

But before my big chop, my chest-grazing strands would easily fall flat, leaving me to rely on volumizers for any form of thickness. Allure, "Four Hair-Care Routines That Boost Volume for Thin Strands," 24 Sep. 2018 The Canadians have a rule that calls for cooking fish 10 minutes per 1 inch of thickness. Susan Selasky, Detroit Free Press, "Full of healthful fat, salmon is one of the easiest fish to grill," 24 June 2018 The funnel is made of industrial-strength paper (like a business card in terms of thickness) and has waterproof construction. Anna Callaghan, Outside Online, "Our Favorite Pee Funnels," 6 June 2018 Not to mention, when that time of the month rolls around, the oil beneath your skin changes consistency from an olive oil type of thickness to a honey-like viscosity. Carly Cardellino, Cosmopolitan, "15 Acne-Causing Behaviors You Didn’t Even Know You Were Doing," 10 Jan. 2017 To Let in Light: Curtains come in a variety of thicknesses, with sheer options that let in light. Lucia Tonelli, ELLE Decor, "Drapes or Curtains? Why Choosing the Right Window Treatment Matters," 27 Mar. 2019 The spacecraft managed to capture a side view of the asteroid while flying past, and this edge-on view lets the New Horizons team calculate the asteroid's thickness. Avery Thompson, Popular Mechanics, "That Asteroid Ultima Thule Is Shaped Like a Pancake," 11 Feb. 2019 Different grape varietals — a pinot noir grape, a merlot grape — are different colors, with skins of different thicknesses, explains Cha McCoy, a very patient sommelier based in New York City. Rachel Sugar, Vox, "Here is why you look like a vampire.," 18 Dec. 2018 The weeks-long Arctic blast had developed ice on most Wisconsin waters to thicknesses that allow at least ATV and snowmobile traffic. Paul A. Smith, Milwaukee Journal Sentinel, "Smith: Lake Poygan ice provides a warm greeting to anglers," 6 Jan. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'thickness.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of thickness

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

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Statistics for thickness

Last Updated

9 May 2019

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Time Traveler for thickness

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

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More Definitions for thickness



English Language Learners Definition of thickness

: the distance between the top and bottom or front and back surfaces of something : a measurement of how thick something is
: the quality of being thick
: a layer or sheet of some material


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

Kids Definition of thickness

1 : the quality or state of being thick
2 : the smallest of three dimensions length, width, and thickness

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Comments on thickness

What made you want to look up thickness? Please tell us where you read or heard it (including the quote, if possible).


a sum of money that is sent as a payment

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