'Unbalanced' definitions:

Definition of 'unbalanced'

(from WordNet)
adjective
Being or thrown out of equilibrium [syn: unbalanced, imbalanced] [ant: balanced]
adjective
Affected with madness or insanity; "a man who had gone mad" [syn: brainsick, crazy, demented, disturbed, mad, sick, unbalanced, unhinged]
adjective
Debits and credits are not equal

Definition of 'Unbalanced'

From: GCIDE
  • Unbalanced \Un*bal"anced\, a. [In senses 1 and 2, pref. un- not + balanced; in sense 3, 1st pref. un- + balance.]
  • 1. Not balanced; not in equipoise; having no counterpoise, or having insufficient counterpoise. [1913 Webster]
  • Let Earth unbalanced from her orbit fly. --Pope. [1913 Webster]
  • 2. (Com.) Not adjusted; not settled; not brought to an equality of debt and credit; as, an unbalanced account; unbalanced books. [1913 Webster]
  • 3. Being, or being thrown, out of equilibrium; hence, disordered or deranged in sense; unsteady; unsound; as, an unbalanced mind. --Pope. [1913 Webster]