"One favor from a deity of unimaginable power," she said.
A wave of unimaginable pleasure coursed through her entire body.
Hurricanes release unimaginable amounts of power, as do earthquakes.
I was as much affected by the faint hum of a mosquito making its invisible and unimaginable tour through my apartment at earliest dawn, when I was sitting with door and windows open, as I could be by any trumpet that ever sang of fame.
In this process changes of structure are apt to occur, and sometimes unimaginable sacrifices of the normal appearance.