Unlikely, but it could be a dwarf planet.
The Big Bang Theory Season 9, Episode 12
It's not terrific.
Lots of highly UNLIKELY things happen.
The Big Bang Theory Season 9, Episode 15
That's very UNLIKELY, Mrs. Koothrappali.
The Big Bang Theory Season 2, Episode 23
Seems UNLIKELY.
The Big Bang Theory Season 5, Episode 13
It says rabies in rabbits
is highly UNLIKELY.
The Big Bang Theory Season 9, Episode 15