purposeless vs afloat

purposeless and afloat both are adjectives.

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

purposeless (adjective)	afloat (adjective)
not evidencing any purpose or goal	borne on the water; floating
serving no useful purpose; having no excuse for being	covered with water
	aimlessly drifting