Meaning of “faulty” in the English Dictionary

"faulty" in American English

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faultyadjective [ -er/-est only ]

us /ˈfɔl·ti/

not working correctly, or not correct:

faulty brakes
His arguments were based on faulty reasoning.

(Definition of “faulty” from the Cambridge Academic Content Dictionary © Cambridge University Press)

"faulty" in Business English

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uk /ˈfɔːlti/ us

not working correctly:

The company recalled over 500,000 cars last year because of a faulty connection in their new model.

containing mistakes, or wrong:

The verdict was based on faulty reasoning on the part of the jury.
Faulty record-keeping meant that many patients did not get appropriate treatment.

(Definition of “faulty” from the Cambridge Business English Dictionary © Cambridge University Press)