triviality

noun

1. (uncountable)The quality of being trivial or unimportant.
2. (countable)Something which is trivial or unimportant.

   “I propose to devote the remainder of mine to it, and can only regret the wasted years that lie behind me, squandered in trivialities.”

   “Yes, I have a case. After a month of trivialities and stagnation the wheels move once more.”