1 adj A faulty piece of equipment has something wrong with it and is not working properly.
The money will be used to repair faulty equipment.
2 adj If you describe someone's argument or reasoning as faulty, you mean that it is wrong or contains mistakes, usually because they have not been thinking in a logical way.
Their interpretation was faulty<endash>they had misinterpreted things.
Translation English Cobuild Collins Dictionary
To add entries to your own vocabulary, become a member of Reverso community or login if you are already a member.
It's easy and only takes a few seconds: