drifting vs unsettled

drifting is a noun but unsettled is not a noun.

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

drifting (noun)	unsettled (noun)
aimless wandering from place to place

drifting (adjective)	unsettled (adjective)
continually changing especially as from one abode or occupation to another	not settled or established
	still in doubt
	not yet settled
	subject to change