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malfunctioning

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.

A van driver who killed the passenger of a broken-down car on a smart motorway where the safety alert system was malfunctioning has been given a suspended sentence.

From BBC • Apr. 24, 2026

Some have even highlighted that a briefly malfunctioning space toilet cost about $23 million.

From Salon • Apr. 7, 2026

A "closed-loop" water cooling system, which works a bit like a car radiator and does not require regular refills, prevents them from malfunctioning.

From Barron's • Feb. 26, 2026

These molecules push cancer cells into apoptosis -- the body's natural process for safely removing damaged or malfunctioning cells.

From Science Daily • Dec. 24, 2025

I progressed well for the first few days, until my kidneys started malfunctioning.

From "Ugly" by Robert Hoge

malfunctioning

Example Sentences

Related Words