Pronunciation: (un-bal'unst),[key] —adj. 1. not balanced or not properly balanced.
2. lacking steadiness and soundness of judgment.
3. mentally disordered; deranged.
4. (of an account) not adjusted; not brought to an equality of debits and credits.
5. Football.of or pertaining to an offensive line formation having more than three linemen on one side of the center. Cf. balanced (def. 2).