undirected vs directionless

undirected and directionless both are adjectives.

Word	Noun	Adjective	Verb	Adverb
undirected	No	Yes	No	No
directionless	No	Yes	No	No

As adjectives, undirected and directionless are synonyms defined as:

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

undirected (adjective)	directionless (adjective)
aimlessly drifting	aimlessly drifting