
...to act like an ADULT in this marriage.
The Big Bang Theory Season 8, Episode 23

I'm an ADULT.
I think I can handle it.
The Big Bang Theory Season 12, Episode 6

You get why I've been alone
most of my ADULT life.
The Big Bang Theory Season 8, Episode 4

Really? "The only ADULT"?
The Big Bang Theory Season 9, Episode 21

So, a woman who has not spent
a single day of her ADULT life in Westeros
Game of Thrones Season 5, Episode 6