defectively
🇺🇸
/dɪˈfektɪvli/
🇬🇧
/dɪˈfektɪvli/
in a way that shows a fault or faults, or that something is not perfect or complete
The machine was built defectively and broke down frequently.
그 기계는 결함 있게 제작되었고 자주 고장이 났다.