unbalanced

Short definition from Wiktionary

Adjective

1. 1
   not balanced, without equilibrium
2. 2
   irrational or mentally deranged
3. 3
   expressing support for a certain point of view; biased
4. 4
   not adjusted such that debit and credit correspond
5. 5
   of an expression having different numbers of left and right parentheses
6. 6
   an offensive line with more players on one side of the center than on the other

Verb

1. 1
   simple past and past participle of unbalance