mundane

Short definition from Wiktionary

Adjective

1. 1
   Worldly, earthly, profane, vulgar as opposed to heavenly.
2. 2
   Pertaining to the Universe, cosmos or physical reality, as opposed to the spiritual world.
3. 3
   Ordinary; not new.
4. 4
   Tedious; repetitive and boring.

Noun

1. 1
   An unremarkable, ordinary human being.
2. 2
   A person considered to be "normal", part of the mainstream culture, outside the subculture, not part of the elite group.
3. 3
   A person who is not a Satanist.
4. 4
   The world outside fandom; the normal, mainstream world.