- 1that cannot exist or be done; not possible almost/virtually impossible It's impossible for me to be there before eight. It's impossible to prove. Ifind it impossible to lie to her. an impossible dream/goal opposite possible
- 2very difficult to deal with I've been placed in an impossible position. Honestly, you're impossible at times!
- 3the impossible noun [singular] a thing that is or seems impossible to attempt the impossible
adjectivejump to other results
impossibilityjump to other results
NAmE//ɪmˌpɑsəˈbɪlət̮i//noun (pl. impossibilities) [uncountable, countable, usually singular] the sheer impossibility of providing enough food for everyone a virtual impossibility
impossiblyjump to other results
NAmE//ɪmˈpɑsəbli//adverb an impossibly difficult problem (= impossible to solve) He was impossibly handsome (= it was difficult to believe that he could be so handsome ).