The phrase "smartest ever" is grammatically correct and can be used in written English.
For example, you might say "She is the smartest ever student in the school."
But when was Smart ever willing to be tied up by convention?
Neither did President Hamid Karzai of Afghanistan, who has been smarting ever since he was forced to accept that he did not win the presidential election outright.
But how did smart ever end up on the out-list?
However, at no time did Smart ever believe himself to be insane; these meetings began before Smart was ever put into asylum because he still contributed, although not as significantly, to the Universal Visiter.
Neglecting an issue is never smart, ever.
Hedge funds, Wall Street banks and other firms used increasing computing power to write ever-smarter, ever-faster trading algorithms; fantastically expensive fiber-optic lines were built to decrease transaction times by milliseconds.
Has the smartest coach ever.
"They love their little robot and want him to be the smartest robot ever," we learn.
Otto Meyer, chief of the Training Center, thinks he is the oldest and smartest pigeon ever was.
