malfunction
Americannoun
verb (used without object)
verb
noun
Etymology
Origin of malfunction
Explanation
To malfunction is to fail to work properly. If your toaster spits out a charred, smoky mess no matter what setting it’s on, your toaster is definitely malfunctioning. When something functions, it works. Adding the prefix -mal (meaning "bad") to function indicates bad or unsuccessful functioning. When a computer malfunctions, you could lose your data. A malfunctioning car could cause an accident or leave you stranded. This word is typically used in reference to technology, tools, and gadgets. However, if you make a stupid mistake, you might joke that your brain has malfunctioned.
Vocabulary lists containing malfunction
"A Sound of Thunder" by Ray Bradbury
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A Thousand Splendid Suns
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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.
Rescuers were searching for the crew and passengers of a Qatari military helicopter that crashed in the Gulf state's waters after a "technical malfunction", the government said early Sunday.
From Barron's • Mar. 22, 2026
The report states that the fuze that was used in the exercise is “extremely reliable” and had only one previous recorded malfunction, in 2017.
From Los Angeles Times • Mar. 16, 2026
Stranded out on track with a gearbox malfunction, he made it back to the pits where the team rushed to fix a problem they could not identify.
From BBC • Mar. 14, 2026
A KC-135 crashed in 2013 when a tanker taking off from a base in Kyrgyzstan experienced a flight-control-system malfunction.
From The Wall Street Journal • Mar. 13, 2026
“I just talked to Gillespie, and he told me that the radar malfunction of your bird was more serious than first reported.”
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.