"purposeless" in the adjective sense
1. purposeless
not evidencing any purpose or goal
2. otiose, pointless, purposeless, senseless, superfluous, wasted
serving 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"
Source: WordNet® (An amazing lexical database of English)
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