faulty
/ˈfɔːlti/
adjective
- Not working correctly or having a defect; imperfect.
- The mechanic found a faulty wire in the car's engine.
- A faulty smoke detector can be dangerous in a fire.
- We returned the faulty blender because it wouldn't turn on.
- Containing mistakes or errors; incorrect.
- His faulty reasoning led to the wrong conclusion.
- Faulty data caused the experiment to fail.
- The student corrected the faulty grammar in her essay.