aimless vs planless

aimless and planless both are adjectives.

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

As adjectives, aimless and planless are synonyms defined as:

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

aimless (adjective)	planless (adjective)
aimlessly drifting	aimlessly drifting
continually changing especially as from one abode or occupation to another