unbalance

nouns

a lack of balance or state of disequilibrium
"a hormonal imbalance"
a state of mental disturbance and disorientation

verbs

throw out of balance or equilibrium
"The tax relief unbalanced the budget"; "The prima donna unbalances the smooth work in our department"
antonym
derange mentally, throw out of mental balance; make insane
"The death of his parents unbalanced him"