aimless vs afloat

aimless and afloat both are adjectives.

Word	Noun	Adjective	Verb	Adverb
aimless	No	Yes	No	No
afloat	No	Yes	No	No

As adjectives, aimless and afloat are synonyms defined as:

Other synonyms of aimless include adrift, directionless, planless, rudderless, undirected.

aimless (adjective)	afloat (adjective)
aimlessly drifting	borne on the water; floating
continually changing especially as from one abode or occupation to another	covered with water
	aimlessly drifting