Definitions for "Unsettled"
Changeable, variable (Oxford Dictionary).
subject to change; "a changeable climate"; "the weather is uncertain"; "unsettled weather with rain and hail and sunshine coming one right after the other"
A period of variable and uncertain weather.
A term used to describe when earth geomagnetic fields are unsettled.
With regard to geomagnetic activity, a descriptive word defining conditions between quiet and active, specifically meaning that the A index is between 8 and 15.
To present participles which come from intransitive verbs, or are themselves employed as adjectives, to mark the absence of the activity, disposition, or condition implied by the participle;
not settled or established; "an unsettled lifestyle"
not yet settled; "unsettled territory"
Keywords:  doubt, mind, still, issue
still in doubt; "an unsettled issue"; "an unsettled state of mind"
Keywords:  stability, lacking, order, times
lacking order or stability; "these unsettled times"