Meaning of “devastating” - Learner’s Dictionary

devastating

adjective uk us /ˈdevəsteɪtɪŋ/
SHOCKING

making someone very shocked and upset:

Despite the devastating news, no one is giving up hope.
DESTROYING

causing a lot of damage or destruction:

The fire has had a devastating effect on the local wildlife.

(Definition of “devastating” from the Cambridge Learner’s Dictionary © Cambridge University Press)