What is another word for unthinkable?
Pronunciation: [ʌnθˈɪŋkəbə͡l] (IPA) 
The word "unthinkable" refers to something that is impossible or beyond imagination. Some synonyms for this term include unimaginable, inconceivable, incomprehensible, impossible, absurd, and preposterous. These words convey a sense of disbelief and awe, indicating that the idea in question is so far-fetched or unexpected that it is difficult to comprehend. Other related terms include implausible, unbelievable, fantastic, and surreal, each of which conveys a slightly different shade of meaning. Regardless of which synonym is chosen, however, all of these words serve to emphasize the extreme nature of the idea being considered.
