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Definitions

knee-jerk

ADJECTIVE
automatic
Synonyms


NOUN
involuntary kick or reaction
Synonyms


knee jerk
NOUN
involuntary kick or reaction
Synonyms


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:

Asia’s tech selloff looks like a knee-jerk reaction to the headline, analysts said.

From The Wall Street Journal ● Sep. 14, 2026

Steve Sosnick, chief strategist at Interactive Brokers, seems wary of such knee-jerk rebounds, and argues that a shift in attitudes toward option trading may help explain them.

From MarketWatch ● Aug. 7, 2026

A knee-jerk reaction to an underwhelming report could trigger a substantial slide.

From Barron's ● Jun. 24, 2026

Oddly enough, “The Drama” was already resisting knee-jerk reactions before it was even properly released.

From Salon ● Apr. 9, 2026

They didn’t just have a knee-jerk reaction to immediately respond to the text.

From "A Deadly Wandering: A Mystery, a Landmark Investigation, and the Astonishing Science of Attention in the Digital Age" by Matt Richtel

“The knee jerk is likely disappointment, given the lack of acceleration in both billed business and revenue growth,” Foran said.

From The Wall Street Journal ● Jul. 24, 2026

“Investors do not want to see this and the negative knee jerk reaction is being seen,” Ives said of Alphabet stock’s drop.

From Barron's ● Jun. 22, 2026

"Everyone recognizes there is a growing antibiotic resistance crisis, and the knee jerk reaction is to develop new antibiotics," You added.

From Science Daily ● Feb. 22, 2024

Unite's deputy regional secretary, Davy Thompson, said minimum service levels are "the most invidious example of knee jerk legislating this country has seen in a long time".

From BBC ● Jan. 13, 2024

Cross the knee to be stimulated over the other leg, and tap the tendon just below the knee cap, and the knee jerk appears.

From Psychology A Study Of Mental Life by Robert S. Woodworth




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