The quality of being unsettled; upset or unrest. / A illegal or unofficial settlement, or community of people living together.

plural of unsettlement

That makes one troubled or uneasy; disquieting or distressing.

present participle of unsettle

The weakening of some previously established system or norm.

Disturbed, upset. / Not in a steady condition, uncertain, subject to change. / Not populated, having no settlers or other inhabitants. / Unpaid.

simple past tense and past participle of unsettle

Third-person singular simple present indicative form of unsettle

To make upset or uncomfortable / To bring into disorder or disarray

plural of unsettling