Pointlessness

Amidst the chaos, he instantly realized the pointlessness of it all.

Near-synonyms: purposelessness, meaninglessness, uselessness

The pointlessness of the discussion only compounded her boredom.

But with unstructured improvisation, the risk that directionlessness will give way to pointlessness is high.

Few political careers start when people are in their 70s, but Hendy is actually relishing it, although he is incensed sometimes by the pointlessness of the posturing by the opposition, which keeps him up late. "The bit I don't like is getting home at 0100 or 0200 in the morning because the opposition have been fruitlessly arguing for a long time."