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 On one side are those who treat AI as a powerful but sometimes faulty service that needs careful human oversight and review to detect reasoning or factual flaws in responses. —

Ashley Belanger, ArsTechnica, 3 Apr. 2026 The 1991 movie stars Nick Nolte as Sam Bowden, the one-time public defender who Cady haunts, blaming his long prison incarceration for rape on purposefully faulty defense tactics. —

Bryan Alexander, USA Today, 31 Mar. 2026 Those faulty assumptions have continued to the present day. —

Daniel Depetris, Chicago Tribune, 31 Mar. 2026 The broader transportation program was also plagued with allegations of fraud in 2023 -- shortly after HCPF, relying on an apparently faulty analysis, recommended a significant increase in reimbursement rates in that service. —

Seth Klamann, Denver Post, 30 Mar. 2026 See All Example Sentences for faulty

Recent Examples of Synonyms for faulty

defective

Adjective

But while some looked for the gene, Welsh studied the structure and inner workings of defective CF cells using salt as a guide star.

— Courtney Crowder, USA Today, 10 Apr. 2026
Chargers that are damaged, defective, swollen or recalled are also still prohibited.

— Matthew Ablon, CBS News, 8 Apr. 2026