unimaginable
/ʌnɪˈmadʒɪnəb(ə)l
/adjective
Difficult or impossible to imagine or comprehend: lives of almost unimaginable deprivation...
- He thinks they have squandered unbelievable and unimaginable opportunities.
- You might as well imagine this scene, because the real one is utterly unimaginable.
- Already the war has brought changes that just a few months ago would have been unimaginable.
Synonyms
unthinkable, inconceivable, incredible, unbelievable, unheard of, unthought of, unimagined, unspeakable, unutterable, untold, ineffable, implausible, improbable, unlikely, impossible, undreamed of, beyond one's wildest dreams, beyond the realm of reason;
astounding, amazing, astonishing, fantastic, fabulous, breathtaking, overwhelming, staggering
informal mind-boggling, mind-blowing