English

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Etymology

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From Middle English thynnesse, from Old English þynnes (thinness, slightness of density, lack of density, tenuity, fluidity, poverty, feebleness of sight, weakness), equivalent to thin +‎ -ness.

Noun

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thinness (usually uncountable, plural thinnesses)

  1. The state or quality of being thin.
    • 1791, Erasmus Darwin, The Economy of Vegetation, J. Johnson, page 120:
      The beautiful prismatic colours seen on the Labrodore stone are owing to a similar cause, viz. the thinness of the laminæ of which it consists [] .
    • 2004 October 27, Eda R. Uca, Ana's Girls: The Essential Guide to the Underground Eating Disorder Community Online, AuthorHouse, →ISBN, →OCLC, page 69:
      Beyond celebrating the aesthetic value of thinness, pro-anas claim that thinness is a reflection of excellence in other areas of one's life.

Antonyms

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Translations

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