We use 'faulty' to describe things that do not work well or are broken. It means there is a problem with the object or device.
The faulty phone did not turn on.
She sent back the faulty bag yesterday.
Sometimes, 'faulty' means that information, answers, or ideas are wrong or have mistakes. It shows something is not true or not good.
He gave a faulty answer on the test.
The data is faulty and not usable.
When we talk about people, 'faulty' means they have bad or weak qualities, like bad habits or wrong ideas. It shows a problem in personality or behavior.
He has a faulty sense of judgment.
Her faulty beliefs caused problems.
'Faulty' in legal use means something is not correct because of errors. Contracts or proofs can be faulty and may not be accepted.
The faulty contract was canceled by the court.
They found the faulty evidence and removed it.
In geology, 'faulty' describes rocks or land that have faults — cracks where the earth moves. This can cause earthquakes or changes in the land.
They studied the faulty rocks near the mountain.
Faulty areas can cause earthquakes.
