unserviceable
🇺🇸
/ʌnˈsɜːrvɪsəbl/
🇬🇧
/ʌnˈsɜːvɪsəbl/
Something that is broken or not in good condition and cannot be used or fixed.
The old car was so unserviceable that it couldn't be driven anymore.
那辆旧车已经无法修理,不能再开了。