Related Clues:

• Such vacant land is not certasin
• Not yet paid for - there's no-one there
• Like the debt of the penniless nomad?
• Not paid to be changeable?
• Outstanding in flight
• Insecure, having not been paid
• Uneasy - pending - vagrant
• Unstable - tantrum
• Unstable - it may be thrown!
• Feeling angst
• Up in the air, peacekeeper finds resolve for Penny
• Lacking stability
• Restless, as the natives are?
• Nomadic lifestyle is outstanding
• (Of weather) lacking stability