abnormal Meaning, Definition & Usage

  1. adjective not normal; not typical or usual or regular or conforming to a norm
    unnatural.
    • abnormal powers of concentration
    • abnormal amounts of rain
    • abnormal circumstances
    • an abnormal interest in food
  2. adjective departing from the normal in e.g. intelligence and development
    • they were heartbroken when they learned their child was abnormal
    • an abnormal personality
  3. adjective satellite much greater than the normal
    • abnormal profits
    • abnormal ambition

WordNet


Ab*nor"mal adjective
Etymology
For earlier anormal.F. anormal, LL. anormalus for anomalus, Gr. . Confused with L. abnormis. See Anomalous, Abnormous, Anormal.
Definitions
  1. Not conformed to rule or system; deviating from the type; anomalous; irregular. "That deviating from the type; anomalous; irregular. " Froude.

Webster 1913