Definition of "unequal"

unequal

/ʌnˈiːkwəl/

adjective
comparative more unequal, superlative most unequal
1. Not the same.
2. Out of balance.
3. (comparable) Inadequate; insufficiently capable or qualified.
4. Erratic, inconsistent.
  Quotations
  Her manner to Francesca was very unequal. Sometimes it had all the frankness of their early intimacy; at other times it was forbidding, and even petulant.
  1834, L[etitia] E[lizabeth] L[andon], chapter I, in Francesca Carrara. […], volume II, London: Richard Bentley, […], (successor to Henry Colburn), page 1
noun
plural unequals
1. One who is not an equal.