The difference between Abnormal and Anomalous

When used as adjectives, abnormal means not conforming to rule or system, whereas anomalous means deviating from the normal.


Abnormal is also noun with the meaning: a person or object that is not normal.

check bellow for the other definitions of Abnormal and Anomalous

  1. Abnormal as an adjective:

    Not conforming to rule or system; deviating from the usual or normal type.

  2. Abnormal as an adjective:

    Of or pertaining to that which is irregular, in particular, behaviour that deviates from norms of social propriety or accepted standards of mental health.

  1. Abnormal as a noun:

    A person or object that is not normal.

  1. Anomalous as an adjective:

    Deviating from the normal; marked by incongruity or contradiction; aberrant or abnormal.

  2. Anomalous as an adjective:

    Of uncertain or unknown categorization; strange.

  3. Anomalous as an adjective:

    Having anomalies.