to stop trying to do sth; to hand sth over to sb else; to stop doing or having sth; to believe that sb is never going to arrive, get better, be found, etc.
Oxford50% of films
to stop trying to do sth
Oxford25% of films
to hand sth over to sb else
Oxford10% of films
to stop doing or having sth
Oxford5% of films
to believe that sb is never going to arrive, get better, be found, etc.
Definitions from the Oxford Advanced Learner's Dictionary, 9th edition