Faulty a. : Containing faults, blemishes, or defects; imperfect; not fit for the use intended.

Faulty a. : Guilty of a fault, or of faults; hence, blamable; worthy of censure.

Example:
Can a Faulty car cigarette lighter short circuit the item that is plugged into it ?

Taxonomy
fault, Merriam-Webster Online Dictionary, Dictionary, webster, Word Games, Webster Online Dictionary with audio pronunciations, thesaurus, Google Search, Custom Search, glossary, english, language, ESL, Search, adjective, Inflected, 14th century, defect.

Defination from the web:
faulty from the Merriam-Webster Online Dictionary with audio pronunciations, thesaurus, Word of the Day, and word games. ... Learn more about "faulty" and related topics at Britannica.com. Pronunciation Symbols. Share this entry: Link to this page: Cite this page: Products ...