- present participle of kill.
killing
Americannoun
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the act of a person or thing that kills.
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the total game killed on a hunt.
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Informal. a quick and unusually large profit or financial gain.
We would all like to win the lottery or make a killing in the stock market.
adjective
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Tuberculosis was a killing disease well into the 20th century, and society found itself with few remedies.
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exhausting.
An ever-expanding workload is imperceptible at first, but eventually we're operating at a killing pace.
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Informal. irresistibly funny.
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Slang. very attractive or fascinating.
The actress is known for her outstanding beauty and killing smile.
adjective
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informal very tiring; exhausting
a killing pace
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informal extremely funny; hilarious
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causing death; fatal
noun
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the act of causing death; slaying
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informal a sudden stroke of success, usually financial, as in speculations on the stock market (esp in the phrase make a killing )
Other Word Forms
Derived Forms
Inflected Forms
Nouns
Etymology
Origin of killing
First recorded in 1400–50; late Middle English killing(e), kyllyng(e) (gerund); see kill 1, -ing 1, -ing 2
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.
Ross Scott is the founder of the growing consumer rights movement Stop Killing Games.
From BBC • Jun. 26, 2026
Brooke Shields, of Acorn TV’s six-episode murder mystery “You’re Killing Me,” poses for a photo in New York City.
From Los Angeles Times • May 18, 2026
Killing senescent cells reduced tumor size and increased survival.
From Science Daily • May 13, 2026
Killing every animal you saw was, until the early 20th century, just what you did.
From The Wall Street Journal • Mar. 23, 2026
“The Clearasil needs time to work. Killing pimples requires patience. By the way, Ben, since women live seven years longer than men on the average, I imagine I’ll be attending your funeral one day.”
From "The Great Santini" by Pat Conroy
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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.