
I can't believe you'd say that. You know
how INSECURE I am about my insecurities.
The Big Bang Theory Season 8, Episode 6

You know, I've always been INSECURE
The Big Bang Theory Season 9, Episode 12

but whenever you're between projects
you tend to get a little INSECURE.
The Big Bang Theory Season 10, Episode 23

that goes around biting
when she feels INSECURE.
Money Heist Season 1, Episode 8

...who felt so INSECURE, that she lied to him
about finishing community college.
The Big Bang Theory Season 2, Episode 1