unimaginable
adjective /ˌʌnɪˈmædʒɪnəbl/
/ˌʌnɪˈmædʒɪnəbl/
(formal)- impossible to think of or to believe exists; impossible to imagine
- unimaginable wealth
- This level of success would have been unimaginable just last year.
Oxford Collocations DictionaryUnimaginable is used with these nouns:- pain
- suffering
- wealth
- …