hassle

Short definition from Wiktionary

Noun

1. 1
   Trouble, bother, unwanted annoyances or problems.
2. 2
   A fight or argument.
3. 3
   An action which is not worth the difficulty involved.

Verb

1. 1
   To trouble, to bother, to annoy.
2. 2
   To pick a fight or start an argument with.
3. 3
   To work through something troublesome; to be bothered by.
4. 4
   To engage in a mock dogfight.

Adjective

1. 1
   hassling; hasslesome