purposeless vs superfluous

purposeless and superfluous both are adjectives.

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

As adjectives, purposeless and superfluous are synonyms defined as:

purposeless and superfluous: serving no useful purpose; having no excuse for being

Other synonyms of purposeless include otiose, pointless, senseless, wasted.

purposeless (adjective)	superfluous (adjective)
not evidencing any purpose or goal	more than is needed, desired, or required
serving no useful purpose; having no excuse for being	serving no useful purpose; having no excuse for being