I thought of giving up this club, which was expensive and of no service to me, and the amusement overbalanced by the late hours.1793, James Boswell, in Danziger & Brady (eds.), Boswell: The Great Biographer (Journals 1789–1795), Yale 1989, p. 225
2
To cause an imbalance in (something) by means of excess weight or numbers.
3
To throw (someone or something) off balance; to cause to capsize.
4
To lose one's balance; to fall over.
overbalance
noun
/ˈəʊvə(ɹ)ˌbæləns/
Etymology From over- + balance.
1
Excess of weight or value; something more than an equivalent.
an overbalance of exports
[…] if there is in man's nature a tendency to guilt and ill desert in a vast overbalance to virtue and merit […]a. 1758, Jonathan Edwards, Original Sin: