SHELDON:
It was obviously EFFECTIVE.
The Big Bang Theory Season 1, Episode 16
that saying "pew, pew, pew"
isn't as EFFECTIVE
The Big Bang Theory Season 5, Episode 19
...which are only EFFECTIVE against
wraiths and daywalkers...
The Big Bang Theory Season 3, Episode 5
I always considered your father
a very EFFECTIVE and efficient man,
Game of Thrones Season 7, Episode 4
Ricin.
It's an extremely EFFECTIVE poison.
Breaking Bad Season 2, Episode 1