Look, Sheldon, sweetie, I know you're feeling INSECURE... (The Big Bang Theory Season 3, Episode 13)
It would put us in a very PRECARIOUS position. (Game of Thrones Season 4, Episode 5)
In these UNCERTAIN times, doesn't humanity deserve a gift? (The Big Bang Theory Season 4, Episode 1)
But it was also notoriously UNRELIABLE at keeping records. (Breaking Bad Season 4, Episode 8)
...who is steady in the face of danger, so I recommend an UNSAFE environment. (The Big Bang Theory Season 6, Episode 18)
Unsure about the nomenclature. (Game of Thrones Season 7, Episode 3)