Bedeutung von “earthly” — Learner’s Dictionary

earthly

adjective us uk /ˈɜːθli/
no earthly doubt/reason/use, etc

used to emphasize that there is not any doubt/reason/use, etc:

There's no earthly reason why you should feel guilty.

literary relating to this world and not any spiritual life:

earthly powers

(Definition von “earthly” aus dem Cambridge Learner's Dictionary © Cambridge University Press)