IPA: /ˈpɔɪnt.ləs/
KK: /ˈpɔɪnt.ləs/
Having no purpose or use; not worth doing because it does not lead to any useful result.
Many people find it pointless to argue about trivial matters.
Pointless → It is formed from "point" (from Old French *point*, meaning a sharp end or tip) and "-less" (meaning without). The word "pointless" means without a point or purpose.
Think of something that has no 'point' or 'sharp end' — that's why 'pointless' means lacking purpose.