Adjectives

(a)pointless, unpointednot having a point especially a sharp point“my pencils are all pointless”
(s)otiose, pointless, purposeless, senseless, superfluous, wastedserving no useful purpose; having no excuse for being“otiose lines in a play”, “advice is wasted words”, “a pointless remark”, “a life essentially purposeless”, “senseless violence”
(s)scoreless, goalless, hitless, pointlesshaving no points scores“a scoreless inning”