misfunctionn.
/ˌmɪsˈfʌŋ(k)ʃn/, U.S. /ˌmɪsˈfəŋ(k)ʃ(ə)n/ Failure to function correctly; an instance of this, a dysfunction.
ΘΚΠ
the world > action or operation > manner of action > [noun] > specific manner of action or operation > faulty
malfunctioning1912
dysfunction1916
malfunction1916
foul-up1918
dysfunctioning1933
misfunction1937
malf1986
1937 Charleston (W. Va.) Daily Mail 16 Aug. 8/5 Barring glandular misfunction, the man or woman who is overweight should give serious thought to a sensible reducing regimen.
1950 N. Cassady Let. 7 Nov. (2005) 191 I've been pretending deafness & other mis-functions on myself for so long that, once again, I've decided to pull up by the old bootstraps for awhile.
1972 Daily Tel. 6 Apr. 8/8 It..provides matter-of-fact, unalarming accounts of bodily functions and misfunctions.
1991 Flying Feb. 82/2 In case of a serious hydraulic misfunction, a kill switch on the collective can instantly revert the controls to manual.
This is a new entry (OED Third Edition, June 2002; most recently modified version published online March 2022).
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n.1937