1) Cause to be off balance 2) Dominate 3) Out out of 4) Outbalance 5) Outweigh 6) Predominate 7) Preponderate 8) Prevail 9) Reign 10) Rule 11) To exceed equality with 12) To have an excess weight 13) To outweigh 14) To overcompensate 15) To throw off balance 16) Weigh more heavily Found on https://www.crosswordclues.com/clue/overbalance
• (v. t.) To exceed equality with; to outweigh. • (n.) Excess of weight or value; something more than an equivalent; as, an overbalance of exports. • (v. t.) To cause to lose balance or equilibrium. Found on http://thinkexist.com/dictionary/meaning/overbalance/
O'ver·bal`ance noun Excess of weight or value; something more than an equivalent; as, an overbalance of exports. J. Edwards. Found on http://www.encyclo.co.uk/webster/O/49
O`ver·bal'ance transitive verb 1. To exceed equality with; to outweigh. Locke. 2. To cause to lose balance or equilibrium. Found on http://www.encyclo.co.uk/webster/O/49