Graveling was overbalanced by his fierce blow into the empty air.
"A People's Man"
E. Phillips Oppenheim
There happened to be no one about, and in craning over the quay to look into his father's boat, he overbalanced, fell in, and was drowned.
"A Book of Ghosts"
Sabine Baring-Gould
The assistants, thus overbalanced by the deputies, demanded the privilege of the negative voice, a contention which the deputies were inclined to deny, but which resulted, in 1644, in the separation of the general court into two houses, the board of assistants constituting the upper chamber and the deputies the lower.
"Beginnings of the American People"
Carl Lotus Becker