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[adjective nee-hahy; noun nee-hahy] /adjective ˈniˈhaɪ; noun ˈniˌhaɪ/
as high as the knees.
knee-highs, Also, knee highs, knee-hi's, knee his. socks, stockings, or boots that cover the lower legs to just below the knees.
Origin of knee-high
An Americanism dating back to 1735-45 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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Examples from the Web for knee-high
Contemporary Examples
Historical Examples
  • He knew what he wanted, and by and by he got one—one about knee-high with a little incurve to it.

    The U-boat hunters James B. Connolly
  • He hesitated a moment, then pushed between the knee-high stalks.

    It Could Be Anything John Keith Laumer
  • A horde of Amazons thronged around the big blue-and-silver hull of the Viking where she lay in the knee-high grass.

    The Golden Amazons of Venus John Murray Reynolds
  • Since he was knee-high he's always had an aidge on most folks, 'count of his size an' weight.

    Rimrock Trail J. Allan Dunn
  • His trousers were also of white moleskin, and were tucked into knee-high sealskin boots with moccasined feet.

    Left on the Labrador Dillon Wallace
  • Have you remembered that I've brought her up, so to speak, since she was knee-high to me?

    The White Blackbird Hudson Douglas
  • Jack will bring some knee-high moosehide moccasins—no machine-made junk, either.

    The Rogue Elephant Elliott Whitney
  • I, who have thought of nothing but being a skipper since I was knee-high!

    Norse Tales and Sketches Alexander Lange Kielland
  • I used to feel that way, too, Betty, and I had a lake to swim in from the time I was knee-high to a duck.

    Betty Lee, Freshman David Goodger (
British Dictionary definitions for knee-high


another word for knee-deep (sense 1)
as high as the knee: a knee-high child
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for knee-high

1743, from knee (n.) + high (adj.). Phrase knee-high to a grasshopper first recorded 1851 (earliest form was knee-high to a toad, 1814).

Online Etymology Dictionary, © 2010 Douglas Harper
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