malfunctioning

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faulty adj.
jammed adj.
on the fritz adj.

ADJECTIVE

faulty

Synonyms

STRONGEST

broken cracked damaged defective deficient erroneous false flawed imprecise inaccurate inadequate incomplete insufficient invalid leaky unreliable

WEAK

adulterated amiss awry bad below par blamable blemished botched debased distorted fallacious fallible frail impaired imperfect inexact injured lame lemon maimed malformed marred out of order rank sick tainted unfit unretentive unsound warped weak wrong

Antonyms

STRONGEST

OK accurate adequate ample complete correct enough faultless fixed flawless honest perfect reliable right sufficient true unbroken valid working

WEAK

sound strong

ADJECTIVE

jammed

Synonyms

STRONGEST

blocked clogged swollen wedged

STRONG

barred caught fast fastened fixed frozen lodged obstructed sandwiched trammeled warped

WEAK

immovable out of order stiff unworkable

Antonyms

STRONG

impermanent unfixed

WEAK

clear empty loose operating vacant

ADJECTIVE

on the fritz

Synonyms

WEAK

bonkers broken faulty haywire inoperable kerflooey not working on the blink on the bum out of commission out of kilter out of order out of whack

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.

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malfunctioning

Devices are at most risk when they are overcharged, malfunctioning or damaged, which can cause components to break down and release excess heat.

From The Wall Street Journal ● Jul. 18, 2026

In Italy, courts in Palermo, Sicily, said they were suspending all non-urgent hearings until June 29 due to "malfunctioning air conditioning" while teaching unions in France called for strike action over "unacceptable working conditions".

From Barron's ● Jun. 25, 2026

An experimental treatment that resets a malfunctioning immune system has put the disease lupus into remission in early UK trials.

From BBC ● Jun. 11, 2026

I have a similar complaint, but this relates to a toilet that is malfunctioning.

From MarketWatch ● Jun. 10, 2026

There were a couple of possibilities: one, the helmet was malfunctioning; two, this troll was deaf as the proverbial post.

From "Artemis Fowl" by Eoin Colfer

malfunctioning

Example Sentences

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