English to English

noun (n)

• a lack of balance or state of disequilibrium(noun.state)

  Example:
  A hormonal imbalance.
  

  Synonym:
  instability, unbalance
  Antonym:
  balance
  

  source: wordnet30
• (mathematics) a lack of symmetry(noun.attribute)

  Synonym:
  asymmetry, dissymmetry
  Antonym:
  balance, correspondence, symmetricalness, symmetry
  

  source: wordnet30