
STABLE super-heavy element.
The Big Bang Theory Season 7, Episode 10

Do you trust all those knights and ladies,
STABLE boys and serving girls?
Game of Thrones Season 5, Episode 1

I don't understand.
He was STABLE.
Westworld Season 2, Episode 4

My training has proved that I can't
beat a STABLE boy with my left hand.
Game of Thrones Season 4, Episode 7

"What is the lightest element on Earth
with no STABLE isotope?"
The Big Bang Theory Season 1, Episode 13