Adjective unsettled has 5 senses
- unsettled - still in doubt; "an unsettled issue"; "an unsettled state of mind"
Antonyms:  settled, accomplished, effected, established, appointed, decreed, ordained, prescribed, deterministic, firm, preconcerted, determined, dictated, set
 - unsettled - not settled or established; "an unsettled lifestyle"
Antonyms:  settled, based, built-up, located, placed, set, situated, nonnomadic, relocated, resettled
 - changeable, uncertain, unsettled - subject to change; "a changeable climate"; "the weather is uncertain"; "unsettled weather with rain and hail and sunshine coming one right after the other"
Antonym:  invariable (indirect, via variable)
 - disturbed, unsettled - lacking order or stability; "these unsettled times"
Antonym:  stable (indirect, via unstable)
 - unsettled - not yet settled; "unsettled territory"
Antonym:  inhabited (indirect, via uninhabited)
 
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Verb unsettle has 1 sense
- faze, unnerve, enervate, unsettle - disturb the composure of
--1 is one way to upset, discompose, untune, disconcert, discomfit
Sample sentence:
The bad news will unsettle him
 
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