faulty

Meanings

1. 1
   adj

   Having or displaying faults; not perfect; not adequate or acceptable.

   They replaced the faulty wiring and it has worked fine ever since.

2. 2
   adj

   At fault, to blame; guilty.

   Her faultie Handmayd, which that bale did breede, / Confest, how Philemon her wrought to chaunge her weede.

3. 3
   adj

   characterized by errors

4. 4
   adj

   having a defect

Etymology

From fault + -y.