inconceivable
adjective uk/ˌɪn.kənˈsiː.və.bəl/ us/ˌɪn.kənˈsiː.və.bəl/
C2 不能想象的;不可思议的
impossible to imagine or think of
The idea that they might not win was inconceivable to them. 他们可能赢不了的念头对他们来说是不可想象的。
It would be inconceivable for her to change her mind. 要她改变主意是不可想象的。
极不可能的
extremely unlikely
Another nuclear accident in the same place is virtually/almost inconceivable. 同一地方再次发生核事故简直／几乎是不可能的。
It is not inconceivable (= it is possible) that she could be lying. 她有可能在说谎。