inconceivable
/ˌɪnkənˈsivəbəl/
adjective
- Impossible to imagine or believe; extremely unlikely or surprising.
- To the villagers, the king's sudden abdication was inconceivable.
- The idea of traveling to Mars in a week is inconceivable with current technology.
- It is inconceivable that she would lie to her best friend.
Antonyms