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

Customers across South Korea found that their almost $4,000 appliance suddenly shut down after a faulty firmware update, turning them into an expensive — and fresh food ruining — brick. — Victor Tangermann, Futurism, 23 Sep. 2026

Change Out the Showerhead Swapping out a faulty showerhead is another relatively easy and inexpensive bathroom upgrade. — Michelle Mastro, The Spruce, 20 Sep. 2026

The judge also rejected Smart's arguments that the verdict was tainted by media attention and by faulty jury instructions. — CBS News, 17 Sep. 2026

In 2005, a plane flying from Italy to Tunisia ran out of gas due to a faulty fuel gage and crashed into the Mediterranean Sea near Sicily, killing 16 people, investigators said. — Alexandra Skores, CNN Money, 14 Sep. 2026