• WordNet 3.6
    • v overbalance cause to be off balance "It is not desirable to overbalance the budget"
    • v overbalance weigh more heavily "these considerations outweigh our wishes"
    • ***
Webster's Revised Unabridged Dictionary
    • n Overbalance Excess of weight or value; something more than an equivalent; as, an overbalance of exports.
    • Overbalance To cause to lose balance or equilibrium.
    • Overbalance To exceed equality with; to outweigh.
    • ***
Century Dictionary and Cyclopedia
    • overbalance To exceed in weight, value, or importance; surpass; preponderate over.
    • overbalance To destroy the balance or equilibrium of; cause to lose balance: often with a reflexive pronoun: as, to overbalance ourselves and fall.
    • n overbalance Excess of weight or value; something which is more than an equivalent; a counterbalance: as, an overbalance of exports.
    • ***
Chambers's Twentieth Century Dictionary
    • v.t Overbalance ō-vėr-bal′ans to exceed in weight, value, or importance: to cause to lose (one's) balance
    • n Overbalance excess of weight or value
    • ***


In literature:

This trouble and delay may overbalance the supposed advantages.
"A Book for All Readers" by Ainsworth Rand Spofford
Our duties may overbalance our rights.
"Ancient Law" by Sir Henry James Sumner Maine
Even the prospect of seeing Joe may not overbalance that.
"The Moving Picture Boys on the Coast" by Victor Appleton
The reproductive instinct, unchecked, will overbalance group survival in the end.
"This Crowded Earth" by Robert Bloch
The yearly increase in population would more than overbalance the number transplanted.
"The Future of the American Negro" by Booker T. Washington
Frequently these costs, measured in terms of misery, are so great as to overbalance the advantages gained through the experiment.
"The Next Step" by Scott Nearing
He was slipping forward again; he would soon overbalance.
"Murder Point" by Coningsby Dawson
A snake that "darts" when it has nothing secure to hold on by, only overbalances itself.
"Lords of the Housetops" by Various
That in the present mood I am in overbalances everything that can be laid in the scale against it.
"Robert Burns" by Gabriel Setoun
Three sessions with a good record might overbalance the loss in public confidence this would incur.
"A Mixture of Genius" by Arnold Castle