overbalance

Plural: overbalances

Verb

• weigh more heavily
• cause to be off balance
  • "It is not desirable to overbalance the budget"
• To be more important than; to outweigh.
• To cause an imbalance in (something) by means of excess weight or numbers.
• To throw (someone or something) off balance; to cause to capsize.
• To lose one's balance; to fall over.

Noun

• Excess of weight or value; something more than an equivalent.

Synonyms

outbalance, outweigh, preponderate