uncertain vs unsettled

uncertain and unsettled both are adjectives.

Word	Noun	Adjective	Verb	Adverb
uncertain	No	Yes	No	No
unsettled	No	Yes	No	No

As adjectives, uncertain and unsettled are synonyms defined as:

Other synonyms of uncertain include changeable.

uncertain (adjective)	unsettled (adjective)
not established beyond doubt; still undecided or unknown	not settled or established
lacking or indicating lack of confidence or assurance	still in doubt
not certain to occur; not inevitable	not yet settled
not established or confirmed	subject to change
ambiguous (especially in the negative)
not consistent or dependable
subject to change