That is not the DEFINITION of professional.
The Big Bang Theory Season 2, Episode 14
"A thief is, by DEFINITION,
an inveterate optimist.
Money Heist Season 1, Episode 4
That is the DEFINITION of conspiracy.
Game of Thrones Season 7, Episode 7
Forgive me, Penny, but that would be
the very DEFINITION of a frivolous lawsuit.
The Big Bang Theory Season 2, Episode 14
It's interesting but isn't ventriloquism
by DEFINITION a solo activity?
The Big Bang Theory Season 2, Episode 13