It's not terrific.
Lots of highly UNLIKELY things happen.
The Big Bang Theory Season 9, Episode 15
While UNLIKELY,
it's still a statistical possibility.
The Big Bang Theory Season 6, Episode 8
the housing market
is UNLIKELY to rebound,
Breaking Bad Season 2, Episode 10
A decryption key needed
only in the UNLIKELY event
Westworld Season 2, Episode 7
That's what makes
their friendship UNLIKELY!
The Big Bang Theory Season 7, Episode 10