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knee-deep

American  
[nee-deep] / ˈniˈdip /

adjective

  1. reaching the knees.

    knee-deep mud.

  2. submerged or covered up to the knees.

    knee-deep in water.

  3. deeply embroiled; enmeshed; involved.

    knee-deep in trouble.


knee-deep British  

adjective

  1. so deep as to reach or cover the knees

    knee-deep mud

    1. sunk or covered to the knees

      knee-deep in sand

    2. immersed; deeply involved

      knee-deep in work

"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-deep

First recorded in 1525–35

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.

See Examples For:

Newsom made the comment in an interview with CNN anchor Jake Tapper, during which the two men are standing knee-deep in a body of water while fishing.

From Barron's ● Sep. 15, 2026

So I had all these giddy, kind of rose-tinted romantic notions of what I was doing until I was knee-deep in fiberglass, going, “Why did I think this was a good idea?”

From Los Angeles Times ● Aug. 20, 2026

It’s worth trying, if only to remind yourself, when you’re knee-deep in a pristine, quiet bay, what makes the island special in the first place.

From The Wall Street Journal ● Jun. 20, 2026

Rescuers and relatives searched knee-deep in water for the body of one-year-old Zara.

From BBC ● Nov. 1, 2025

The flood rises high enough to cover low river islands in knee-deep water, leaving their trees to stand out like miracles in mid-channel.

From "1491" by Charles C. Mann

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