The Collaborative International Dictionary of English v.0.48:
Acritical \A*crit"ic*al\, a. [Gr. 'a priv. + ? critical.] (Med.) Having no crisis; giving no indications of a crisis; as, acritical symptoms, an acritical abscess. [R.] AS [1913 Webster]WordNet (r) 3.0 (2006):
acritical adj 1: without a crisis (as of some diseases)