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

Manufacturers may also provide warranties on replacement parts, ensuring that you're fully covered if a part used to fix the issue is faulty. — Angelica Leicht, CBS News, 31 July 2026

Recalls are issued when vehicle owners, regulators, or manufacturers determine that a potentially faulty component presents an unreasonable safety risk or fails to meet specified standards. — Jim Gorzelany, Forbes.com, 31 July 2026

Once a machine loses balance or follows a faulty motion routine, nearby people have little time to react. — Kurt Knutsson, FOXNews.com, 29 July 2026

Call a Professional If the Valve Doesn’t Work While shutting off the water can be a simple DIY task, repairing a faulty shutoff valve isn’t. — Olivia McIntosh, Martha Stewart, 24 July 2026