na-adjective, noun
mediocrity; the masses; ordinary people
Refers to the common, unremarkable majority of people or their mediocre quality. Often used in a slightly dismissive or self-deprecating tone.
彼は凡俗な人間とは違うと思っている。
He thinks he is different from ordinary people.
凡俗の域を出ない作品だ。
It's a work that never rises above mediocrity.