kneecap

American  

[nee-kap] / ˈniˌkæp /

noun

1. the patella.

2. a protective covering, usually knitted, for the knee.

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verb (used with object)

kneecapped, kneecapping

1. to cripple (a person) by shooting in the knee.

   Terrorists were kneecapping prospective jurors.

kneecap British  

/ ˈniːˌkæp /

noun

1. anatomy a nontechnical name for patella

2. another word for poleyn

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verb

1. (esp of certain terrorist groups) to shoot (a person) in the kneecap, esp as an act of retaliation

kneecap Scientific  

/ nē′kăp′ /

1. See patella

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Other Word Forms

• kneecapper noun

Etymology

Origin of kneecap

First recorded in 1650–60; knee + cap ¹

Example Sentences

“It doesn’t make any sense to kneecap consumers in the face of the strait being closed and driving up oil prices.”

From The Wall Street Journal • Mar. 18, 2026

Few if any government spokespeople have done more to kneecap their own agency in court than McLaughlin.

From Slate • Feb. 18, 2026

Hill suffered torn ligaments and a dislocated kneecap in a game against the New York Jets last year, ending his season.

From Barron's • Feb. 17, 2026

After three months at the Y, I was walking home from dinner one night when I tripped on a crack in a sidewalk and fractured my kneecap.

From Los Angeles Times • Sep. 5, 2025

Lily bounces up and down, landing squarely on my kneecap again.

From "South of Somewhere" by Kalena Miller