faulty
🇺🇸
/ˈfɔːlti/
🇬🇧
/ˈfɔːlti/
not working correctly or having defects
The machine stopped working because of a faulty part.
機器停止運作是因為一個故障零件。
containing mistakes or errors in thinking
His argument was based on faulty logic.
他的論點基於錯誤的邏輯。