malfunction

[ mal-fuhngk-shuh n ]
/ mælˈfʌŋk ʃən /

noun

failure to function properly: a malfunction of the liver; the malfunction of a rocket.

verb (used without object)

to fail to function properly.

Origin of malfunction

First recorded in 1925–30; mal- + function
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for malfunctioning

British Dictionary definitions for malfunctioning

malfunction
/ (mælˈfʌŋkʃən) /

verb

(intr) to function imperfectly or irregularly or fail to function

noun

failure to function or defective functioning
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

Medicine definitions for malfunctioning

malfunction
[ măl-fŭngkshən ]

v.

To fail to function.
To function improperly.

n.

Failure to function.
Faulty or abnormal functioning.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.