thickness

thick·ness
T1H4I1C3K5N1E1S1S1
/ˈθɪknəs/

noun

The property of being thick (in dimension).

“Guitar picks come in different thicknesses.”

CommonScrabble 18

Meanings

nounthickness (countable and uncountable, plural thicknesses)

plural thicknesses

  1. uncountableThe property of being thick (in dimension).

    Synonyms: fatness · Antonyms: thinness

  2. countableuncountableA measure of how thick (in dimension) something is.

    Guitar picks come in different thicknesses.

    4 more examples

    The thickness of the Earth's crust varies from two to 70 kilometres.

    it was found that without the potash the process gave as good a film as with it, but took very much longer to deposit the silver of a sufficient thickness

    1892, Royal Astronomical Society, Memoirs of the Royal Astronomical Society, volumes 50-51, Blackwell Scientific, page 162

    The newest form of gold created in a lab is the thickness of two atoms, according to a new study. It’s only 0.47 nanometers thick, which is one million times thinner than a human finger nail.

    2019 August 6, Ashley Strickland, “Scientists just created the world’s thinnest gold and it’s two atoms thick”, in CNN

    Whether made by a small business or a household name like Scotch, washi tape comes in countless colors, patterns and thicknesses and can be used for just as many adhesive-related projects, from decorating envelopes and empty jars to creating section dividers and adhering photos/ephemera in journals.

    2025 January 6, Daniel Toy, “I’ve been journaling for more than 20 years. Here are my 25 favorite journaling supplies”, in CNN

    Synonyms: depth

  3. countableA layer.

    We upholstered the seat with three thicknesses of cloth to make it more comfortable to sit on.

    Synonyms: layer, stratum

  4. uncountableThe quality of being thick (in consistency).

    Whip the cream until it reaches a good thickness.

    Synonyms: viscosity, density, viscosity

  5. informaluncountableThe property of being thick (slow to understand).
  6. countablegraph theoryThe minimum number of planar subgraphs which a given graph can decompose into.
verbthickness (third-person singular simple present thicknesses, present participle thicknessing, simple past and past participle thicknessed)

present singular third person thicknesses · participle present thicknessing · participle past thicknessed · past thicknessed

  1. transitiveTo trim (wood) to a consistent thickness using a thickness planer.

    Even if the parts are thicknessed by machine, check for and plane out any cup with a bench plane.

    2003, Garrett Hack, The Handplane Book, page 143

Synonyms & antonyms

nounThe property of being thick (in dimension).

Similar
Opposite

nounA measure of how thick (in dimension) something is.

Similar

nounA layer.

nounThe quality of being thick (in consistency).

property of being stupid

antonym(s) of “in consistency”

antonym(s) of “property of being stupid”

Opposite
mental acuitymental agilityquick-wittednesssharpness

More synonyms by meaning

nounthe dimension through an object as opposed to its length or width

Opposite
Broader

nounused of a line or mark

Similar

nounresistance to flow

Opposite

Synonym sets from Open English WordNet, CC BY 4.0.

Origin

  1. Proto-West Germanic*þikkwīnassī“thickness”
  2. Old Englishþicnes“thickness, viscosity, density, hardness; obscurity, cloud, darkness; thicket; depth, a thick body, anything thick or heavy”
  3. Middle Englishthikkenesse
  4. Englishthickness

From Middle English thikkenesse, thiknesse, from Old English þicnes (“thickness, viscosity, density, hardness; obscurity, cloud, darkness; thicket; depth, a thick body, anything thick or heavy”), from Proto-West Germanic *þikkwīnassī (“thickness”), equivalent to thick + -ness. Cognate with West Frisian tsjokkens (“thickness”), Old High German dickinessī, dikkinissi, diknissi (“thickness, density”). Eclipsed non-native Middle English crassitude (“thickness”) from Latin crassitūdō (“thickness”).

Full word history & related roots →

Translations

Ancient Greek πάχος, πάχος
  • πάχος (pákhos)property of being thick in dimension
  • πάχος (pákhos)measure
Arabic سَمَاكَة
  • سَمَاكَة (samāka)property of being thick in dimension
Bulgarian дебелина́, дебелина
  • дебелина́ (debeliná)property of being thick in dimension
  • дебелина (debelina)measure
  • гъстота (găstota)in consistency
Catalan espessor
  • espessorproperty of being thick in dimension
Chinese Mandarin 厚度
  • 厚度 (hòudù)property of being thick in dimension
Czech tloušťka
  • tloušťkaproperty of being thick in dimension
Dutch dikte
  • dikteproperty of being thick in dimension
Finnish paksuus, paksuus
  • paksuusproperty of being thick in dimension
  • paksuusmeasure
French épaisseur, grosseur
  • épaisseurproperty of being thick in dimension
  • grosseurproperty of being thick in dimension
  • épaisseurmeasure
German Dicke, Dicke
  • Dickeproperty of being thick in dimension
  • Dickemeasure
  • Dickein consistency
Greek πάχος
  • πάχος (páchos)property of being thick in dimension
Hindi मोटाई
  • मोटाई (moṭāī)property of being thick in dimension
Hungarian vastagság
  • vastagságproperty of being thick in dimension
Irish tiús, tiús
  • tiúsproperty of being thick in dimension
  • tiúsmeasure
Italian spessore, grossezza
  • spessoreproperty of being thick in dimension
  • grossezzaproperty of being thick in dimension
Japanese 厚み, 厚さ
  • 厚み (atsumi)property of being thick in dimension
  • 厚さ (atsusa)measure
  • 厚み (atsumi)measure
  • 濃さ (kosa)in consistency
  • 濃度 (nōdo)in consistency
  • とろみ (toromi)in consistency
  • 鈍さ (nibusa)informal: property of being stupid
Korean 두께
  • 두께 (dukke)property of being thick in dimension
Latin crassitūdō, crassitūdō
  • crassitūdōproperty of being thick in dimension
  • crassitūdōmeasure
Latvian biezums, resnums
  • biezumsproperty of being thick in dimension
  • resnumsproperty of being thick in dimension
Malay ketebalan
  • ketebalanproperty of being thick in dimension
Norwegian Bokmål tykkelse, tjukkelse
  • tykkelsemeasure
  • tjukkelsemeasure
Polish grubość
  • grubośćproperty of being thick in dimension
Portuguese grossura, espessura
  • grossuraproperty of being thick in dimension
  • espessuraproperty of being thick in dimension
Romanian grosime
  • grosimeproperty of being thick in dimension
Russian толщина́, толщина́
  • толщина́ (tolščiná)property of being thick in dimension
  • толщина́ (tolščiná)measure
  • густота́ (gustotá)in consistency
Slovak hrúbka
  • hrúbkaproperty of being thick in dimension
Spanish grosor, espesura
  • grosorproperty of being thick in dimension
  • espesuraproperty of being thick in dimension
  • grosormeasure
  • torpezainformal: property of being stupid
Thai ความหนา
  • ความหนา (kwaam-nǎa)property of being thick in dimension
Turkish yoğunluk
  • yoğunlukin consistency
Ukrainian товщина́
  • товщина́ (tovščyná)property of being thick in dimension
Vietnamese dày
  • dàyproperty of being thick in dimension

Rhymes & wordplay

Rhymes with thickness

All rhymes →
Cite this entry
APA

thickness. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/thickness

MLA

“thickness.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/thickness. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “thickness,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/thickness.

Source: thickness on Wiktionary, CC BY-SA 4.0.