"unbalances" in the noun sense
1. imbalance, instability, unbalance
a lack of balance or state of disequilibrium
"a hormonal imbalance"
2. derangement, mental unsoundness, unbalance
a state of mental disturbance and disorientation
"unbalances" in the verb sense
1. unbalance
throw out of balance or equilibrium
"The tax relief unbalanced the budget"
"The prima donna unbalances the smooth work in our department"
2. unbalance, derange
derange mentally, throw out of mental balance make insane
"The death of his parents unbalanced him"
Source: WordNet® (An amazing lexical database of English)
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