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Adjective: faulty (faultier,faultiest)  fol-tee [N. Amer], fól-tee or fol-tee [Brit]
  1. Having a defect
    "I returned the appliance because it was faulty";
    - defective
  2. Characterized by errors; not agreeing with a model or not following established rules
    "he submitted a faulty report";
    - incorrect, wrong

Derived forms: faultiest, faultier

See also: imperfect, inaccurate

Encyclopedia: Faulty