unsettled

adjective4

1. •
   Not in a steady condition, uncertain, subject to change.
2. •
   Disturbed, upset.

   • I was unsettled by the sudden outburst, and since I didn't know what to do I just stood there, confused.
3. •
   Not populated, having no settlers or other inhabitants.
4. •
   Unpaid.

   • We need to settle this bill; even if you think the charge is too high we can't just leave it unsettled.