<p><strong>Verb:</strong></p><ul><li>To outweigh: The opportunity overbalances the disadvantages of leaving town.</li><li>To cause to lose balance or to fall or turn over: He accidentally overbalanced a vase.</li></ul><p><strong>Noun:</strong></p><ul><li>An excessive weight or amount.</li><li>Something that more than balances or more than equals: An overbalance of imports depleted the country's treasury.</li></ul>