unsettled

1. Disturbed, upset.

   I was unsettled by the sudden outburst, and since I didn't know what to do I just stood there, confused.

   beunruhigt

2. Not in a steady condition, uncertain, subject to change.

   unbeständig, unsicher

   subject to change

3. Not populated, having no settlers or other inhabitants.

   unbesiedelt

4. Unpaid.

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

   offen, unbezahlt, unbeglichen

regular