unimaginable
US
UK unimaginable adj: (that cannot be imagined)
SC 不可想象的 bù kě xiǎng xiàng de
SC 难以想象的 bù kě xiǎng xiàng de，nán yǐ xiǎng xiàng de
The police discovered an unimaginable number of illegal weapons in the gang leader's house.
unimaginable adj: (extremely improbable)
SC 不可思议的 bù kě sī yì de
It is unimaginable that the authorities would allow a new airport to be built so near to a residential area.