1. Not in a state of order or calmness; disturbed: these unsettled times.
2. Likely to change or vary; variable: unsettled weather.
a. Not determined or resolved: an unsettled issue.
b. Uncertain or doubtful: were still unsettled with respect to their future plans.
4. Not paid or adjusted; outstanding: an unsettled bill.
5. Uninhabited or not occupied by settlers: unsettled territory.
6. Not fixed or established: an unsettled lifestyle.
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2020 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Indo-European & Semitic Roots Appendices
Thousands of entries in the dictionary include etymologies that trace their origins back to reconstructed proto-languages. You can obtain more information about these forms in our online appendices:
The Indo-European appendix covers nearly half of the Indo-European roots that have left their mark on English words. A more complete treatment of Indo-European roots and the English words derived from them is available in our Dictionary of Indo-European Roots.