Synonyms of faulty

faulty

adjective

ˈfȯl-tē 

as in defective

having a fault

the cause of the plane crash was traced to faulty wiring

Synonyms & Similar Words

• defective
• imperfect
• bad
• flawed
• damaged
• broken
• incomplete
• amiss
• inadequate
• insufficient
• fallible
• on the blink
• spoiled
• injured
• deficient
• impaired
• hurt
• marred
• blemished
• crippled
• disfigured
• wanting
• harmed
• vitiated
• defaced

Antonyms & Near Antonyms

• perfect
• intact
• whole
• entire
• complete
• flawless
• faultless
• impeccable
• undamaged
• unimpaired
• unblemished
• unspoiled

Example Sentences

Recent Examples of faulty

What To Check Before Trusting An AI Answer A few quick checks can catch most of these gaps before a decision gets made on faulty information. — Vaidotas Juknys, Forbes.com, 4 Aug. 2026

Burning for a fifth day, the blaze outside Athens prompted the evacuation of more than 1,000 people and was blamed on a faulty power line from a wind farm. — ABC News, 4 Aug. 2026

If certain compounds could seemingly induce the symptoms of insanity, then perhaps insanity was a result of faulty brain chemistry—and could thus be treated with psychiatric drugs. — Kimon De Greef, Longreads, 4 Aug. 2026

However, research is beginning to show that that assumption is faulty. — Yigit Topoglu, The Conversation, 3 Aug. 2026