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.
その機械は欠陥を持って作られており、頻繁に故障しました。