faulty

adjective

Stress: first syllable

Syllables: faul-ty (2)
English Definition

Working incorrectly or having a defect

Example Sentence

The accident was caused by a faulty brake system.

US IPA /ˈfɔːlti/
UK IPA /ˈfɔːlti/

Synonyms

defective flawed imperfect broken

Antonyms

perfect flawless working