unusable
🇺🇸
/ˌʌnˈjuːzəbl/
🇬🇧
/ˌʌnˈjuːzəbl/
Something that is in very bad condition or of very poor quality and cannot be used.
The old bicycle was so damaged that it became unusable.
古い自転車が非常に損傷していたため、使用できなくなりました。