FAULTY Synonyms: 37 Similar and Opposite Words

faulty

adjective

ˈfȯl-tē

Definition of faulty next

as in defective

having a fault the cause of the plane crash was traced to faulty wiring

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Example Sentences

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Recent Examples of faulty Bradley the author eventually conceded that his research had been faulty and that the flag-raising in which his father had been involved was photographed by a Marine photographer earlier on the morning of February 23, 1945, and that Doc Bradley was not depicted in the famous Rosenthal photo. —

Greg Evans, Deadline, 20 June 2026 The vehicle may avoid or fail to recognize a construction zone due to the faulty software. —

Greta Cross, USA Today, 18 June 2026 The issue of faulty roads extends beyond Redland. —

Steve Maugeri, CBS News, 13 June 2026 Additional testing occurred to verify whether there was any hazard or if the sensor was faulty, multiple sources said. —

Steve Beynon, ABC News, 11 June 2026 See All Example Sentences for faulty

Recent Examples of Synonyms for faulty

defective

Adjective

Boasberg issued a temporary restraining order and ordered that the planes be turned around, but Justice Department attorneys said his oral instructions directing the flight to be returned were defective, and the deportations proceeded as planned.

— Peter Charalambous, ABC News, 22 June 2026
For generations, Americans have debated consumer protection through the lens of defective products, predatory lenders, unsafe food, and identity theft.

— Richard Fowler, Forbes.com, 18 June 2026