Meaning of “won't” - Learner’s Dictionary

won't

us uk /wəʊnt/
Extra Examples
She won't be away for long.It was his mistake, but I won't hold it against him.It won't be the end of the world if I don't get the job.I won't be a fully-fledged doctor until after the exams.Your computer won't be arriving till Friday. In the meantime, you can use Julie's.

short for will not:

I won't be home before midnight.

(Definition of “won't” from the Cambridge Learner’s Dictionary © Cambridge University Press)