1. [verb] (transitive) To throw (someone or something) off balance.
2. [verb] (intransitive) To lose one's balance.
3. [verb] (intransitive) To have an excess weight.
4. [verb] (intransitive) To overcompensate.
5. [verb] (transitive) To exceed equality with; to outweigh.
6. [noun] Excess of weight or value; something more than an equivalent.
7. [verb] Weigh more heavily; 'these considerations outweigh our wishes'.
8. [verb] Cause to be off balance; 'It is not desirable to overbalance the budget'.