messy

adjective4

1. •
   not in order, with things left lying about in the wrong places

   • Jim ran his fingers through his messy brown hair.
2. •
   Difficult or unpleasant to deal with.

   • Say bonjour to the botched R.S.V.P. The practice of replying to invitations, let alone actually showing up to parties as promised, has become as antiquated as the chimney sweep, and much messier. — 2008
3. •
   Prone to causing mess.

   • He is the messiest person I've ever met.
4. •
   Argumentative, spreading spreading gossip, talking behind someone's back

   • They keep starting fights with Sam, they're so messy.