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"A thief is, by DEFINITION,
an inveterate optimist.
Money Heist Season 1, Episode 4

I believe offering chocolate to someone
falls within the DEFINITION of "nice."
The Big Bang Theory Season 3, Episode 3

It's interesting but isn't ventriloquism
by DEFINITION a solo activity?
The Big Bang Theory Season 2, Episode 13
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differ greatly on the definition of Well, apparently these people and I
differ greatly on the definition of"
Well, apparently these people and I
differ greatly on the DEFINITION of "party."
The Big Bang Theory Season 3, Episode 12
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the very definition of a frivolous lawsuit.
Forgive me, Penny, but that would be
the very definition of a frivolous lawsuit."
Forgive me, Penny, but that would be
the very DEFINITION of a frivolous lawsuit.
The Big Bang Theory Season 2, Episode 14