unbelievable
🇺🇸
/ˌʌnbɪˈliːvəbl/
🇬🇧
/ˌʌnbɪˈliːvəbl/
used to show something is very good, bad, or extreme
The view from the mountain top was unbelievable.
very hard to believe and probably not true
His excuse for being late was unbelievable.