I think the word you're
looking for is... "INVISIBLE."
The Big Bang Theory Season 5, Episode 17
He's just friends with
an INVISIBLE trumpet player?
The Big Bang Theory Season 11, Episode 17
The one where Mr. Fantastic and
the Invisible Girl get married.
The Big Bang Theory Season 5, Episode 24
We haven't had
a good INVISIBLE man in a while.
The Big Bang Theory Season 8, Episode 23
- of humanitarian aid--
- Invisible to everyone.
Westworld Season 2, Episode 9