Meaning of “over” - Learner’s Dictionary

over

adjective uk us /ˈəʊvər/

B1 [ never before noun ] finished:

The exams will be over next week.
It was all over very quickly.
get sth over (and done) with

to do something difficult or unpleasant as soon as you can so that you do not have to worry about it any more

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