faulty

word

Definition

Something that is faulty has a problem, defect, or does not work correctly.

Usage & Nuances

Used mainly for mechanical or electronic things, but can also describe logic, arguments, or systems. Common collocations: 'faulty wiring', 'faulty brakes', 'faulty reasoning'. Less formal than 'defective', which is often used in technical or legal contexts.

Example Sentences

The phone is faulty and won't turn on.

basic

There was a faulty wire in the lamp.

basic

We returned the faulty product to the store.

basic

His theory was based on faulty reasoning.

natural

Turns out the problem was just a faulty battery.

natural

They recalled the cars because of faulty brakes.

natural