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Synonyms

knee-high

American  
[nee-hahy, nee-hahy] / ˈniˈhaɪ, ˈniˌhaɪ /

adjective

  1. as high as the knees.


noun

  1. knee-highs. Also knee highs, knee-hi's, knee his socks, stockings, or boots that cover the lower legs to just below the knees.

knee-high British  

adjective

  1. another word for knee-deep

  2. 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

Etymology

Origin of knee-high

An Americanism dating back to 1735–45

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

"You've got a ball bouncing at knee high and then you've got a ball bouncing at chest high. It doesn't really do you too much good."

From BBC • Nov. 22, 2025

But unlike their battle the previous night, this breaking ball was not off the plate, but rather knee high and over the inner half.

From Los Angeles Times • Oct. 29, 2024

Unmown grass at the site has already grown knee high.

From New York Times • Apr. 23, 2024

Also, when should I prune a struggling climbing rose tree that I want to cut knee high this year.

From Seattle Times • Nov. 16, 2022

The young man said, “I don’t suppose you remember me, Mr. Bowditch. I haven’t been around Salem much for years. I was knee high to a grasshopper when I went to Harvard.”

From "Carry On, Mr. Bowditch" by Jean Lee Latham

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