Definitions

1. adverb

in a way that is impossible; extremely unlikely to happen or be achieved.

“It is impossibly cold to go outside without a coat.”

2. adverb

to an impossible degree; extremely.

“He is impossibly rich and has no idea how to handle it.”

3. adverb

in a way that is not feasible or practicable; extremely difficult.

“It is impossibly hard to learn a new language in just one month.”