adjective (a)

• incapable of being put up with(adj.all)

  Example:
  An intolerable degree of sentimentality.
  

  Synonym:
  unbearable, unendurable
  Antonym:
  tolerable
  

  source: wordnet30
• Not tolerable; not capable of being borne or endured; not proper or right to be allowed; insufferable; insupportable; unbearable; as, intolerable pain; intolerable heat or cold; an intolerable burden.(adjective)

  source: webster1913