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

Some gene therapies can correct or replace faulty genetic instructions, while others, such as CAR T cell therapy, reprogram a patient’s own cells to find and eliminate the disease. — Jigar Thakkar, Forbes.com, 8 Sep. 2026

Like all of hip-hop’s early heroes, Flash is fixated on the genre’s history—righting its wrongs, fighting a headwind of faulty tellings over the years. — Vinson Cunningham, New Yorker, 7 Sep. 2026

Otherwise, the elevator operator or building management is responsible for calling in a technician to address a faulty system. — Tamia Fowlkes, jsonline.com, 7 Sep. 2026

Cardiac arrhythmia ablation, according to the British Heart Foundation, is when heat or cold energy is used to create tiny scars in the heart to block faulty signals and restore a typical heartbeat. — Jordan Campbell, New York Times, 6 Sep. 2026