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

The State Bureau of Investigation led a two-year-long probe into her faulty testing, under Mecklenburg District Attorney Spencer Merriweather’s direction. — Julia Coin, Charlotte Observer, 15 Oct. 2026

Witnesses reported hearing a popping sound before Esparza went flying, and employees told police investigators that maintenance had fixed faulty sensors on the ride a few days prior. — Blake Ellis, CNN Money, 15 Oct. 2026

Without cultivation, about four attempts in 1,000 produced a faulty state. — Jacek Krywko, Scientific American, 15 Oct. 2026

Apparel brands may be losing customers over faulty garments without seeing the evidence in their returns volume, according to a new survey from Samsara Eco. — Alexandra Harrell, Footwear News, 13 Oct. 2026