pointless
adj.adj. having no clear purpose or reason. You use this to describe an action or situation that feels like a waste of time because it will not achieve anything.
adj. devoid of meaning, purpose, or practical utility. Often used to describe activities that are perceived as futile or redundant.
It is pointless to argue with someone who will not listen.
The meeting felt pointless because the manager had already made the final decision before we arrived.
Critics argued that the new regulations were entirely pointless, as they failed to address the underlying economic issues that caused the crisis in the first place.
From Middle English pointles, poynteles, poyntlees. By surface analysis, point + -less.
Typically functions as a predicative adjective after 'be' or 'feel', or as an attributive adjective before a noun.