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.
那輛舊自行車損壞得如此嚴重,以至於變得無法使用。