Definitions
1.NounTrouble, bother, unwanted annoyances or problems."I went through a lot of hassle to be the first to get a ticket."
2.NounA fight or argument.
3.NounAn action which is not worth the difficulty involved.
4.VerbTo trouble, to bother, to annoy."The unlucky boy was hassled by a gang of troublemakers on his way home."
5.VerbTo pick a fight or start an argument with.
6.VerbTo work through something troublesome; to be bothered by."If you don't want to hassle through converting formats, you'll have to stick with one program."
7.VerbTo engage in a mock dogfight.
8.Adjectivehassling; hasslesome