faulty
adjective
1. having a defect
Similar word(s): imperfect, defective
2. characterized by errors; not agreeing with a model or not following established rules
- he submitted a faulty report
Similar word(s): inaccurate, incorrect, wrong
Sentences with faulty as an adjective:
- They replaced the faulty wiring and it has worked fine ever since.
- I don't think you can infer that from the premise. It's a faulty argument.