un·bal·ance 
/ˌʌnˈbæləns/ verb
un·bal·anc·es; un·bal·anced; un·bal·anc·ing /ˌʌnˈbæləns/ verb [+ obj] : to cause (something or someone) to stop being balanced, steady, stable, etc.
▪ If too many people stand up, it will unbalance the boat. ▪ The tax cuts have unbalanced the budget. ▪ His experiences in the war unbalanced his mind. [=made him slightly crazy]
▪ If too many people stand up, it will unbalance the boat. ▪ The tax cuts have unbalanced the budget. ▪ His experiences in the war unbalanced his mind. [=made him slightly crazy]
