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

Besides faulty lactose digestion, nonwhite bodies were accused of other failures, too, such as aldehyde dehydrogenase deficiency, an inability to digest alcohol quickly. — Hilary Smith, The Conversation, 25 Aug. 2026

Boeing has admitted fault in these tragedies, attributing the cause of the crashes to a faulty Maneuvering Characteristics Augmentation System (MCAS). — Erin Jensen, USA Today, 19 Aug. 2026

When ​dropping the vandalism charges, Pirro blamed the deterioration on faulty installation. — Reuters, NBC news, 18 Aug. 2026

Alicia Brown, the estranged wife of Atlanta radio personality Big Tigger, is suing Fulton County Sheriff Patrick Labat, claiming a faulty warrant led to her arrest during a traffic stop on Interstate 85. — Christopher Harris, CBS News, 18 Aug. 2026