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Definition of thinness

thinness

/ˈθɪn.nəs/
thin · ness
Adverb:thinly
•
Plural:thinnesses
•
Adjective:thin
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thinness Lexical Profile

thinness Game Scores & Validity

• noun

1

The state or quality of having a small distance between opposite surfaces, or of having a narrow cross-section.

Example

"The extreme thinness of the ice made it dangerous to walk across the frozen pond."

2

The condition of having little bodily flesh or fat; physical slenderness or leanness.

Example

"Her sudden thinness worried her doctor, who recommended a nutritional evaluation."

3

The quality of lacking density, viscosity, fullness, or substance (as of a liquid, gas, sound, or argument).

Example

"Climbers at high altitudes must acclimate to the thinness of the mountain air."

Synonyms
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Antonyms
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• Nearby Words

thinkpiece
thinly
thinner
thinness
thinning
thinnish
third

Word Origin & Etymology

From Old English 'thynnes', formed from the adjective 'thynne' (thin) and the suffix '-nes' (-ness).

Cite this Entry

Wordmom. (2026). Definition of Thinness. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/thinness
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