faulty

/fˈɒlti/

/ˈfɔɫti/

faulty

containing a defect or flaw that prevents proper functioning or operation

synonyms : defective

characterized by errors; not agreeing with a model or not following established rules

synonyms : incorrect

Examples

1. The repairman fixed the faulty wiring, and now the electrical system in the house was functioning as right as rain.

2. The company had to revoke the faulty product from the market to ensure consumer safety.

3. The old house went up in flames after a faulty electrical wiring caused a fire.

4. The company shot itself in the foot by releasing a faulty product that damaged their reputation.