She is even smarter than her brother.

Used to emphasize a comparison or to indicate that something is true to a greater degree.
He is even taller now.
This is even better than before.
She ran even faster today.
even more
even less
even though
more
further
still
He was tired, but he worked even harder.

to a greater degree or extent than is usual or expected
She ran even faster than him.
This is even better than before.
He felt even sadder after the news.
even more
even less
even then
still
yet
further
The two teams were perfectly even at halftime.

Equal in degree or extent or amount; or equally matched or balanced.
The score was even.
They had an even chance.
The surface was perfectly even.
perfectly even
even score
even match
equal
balanced
level