The difference between Abnormal and Exceptional

When used as nouns, abnormal means a person or object that is not normal, whereas exceptional means an exception, or something having an exceptional value.

When used as adjectives, abnormal means not conforming to rule or system, whereas exceptional means forming an exception.

check bellow for the other definitions of Abnormal and Exceptional

  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. Exceptional as an adjective:

    Forming an exception; not ordinary; uncommon; rare.


    "What an exceptional flower!"

  2. Exceptional as an adjective:

    Better than the average; superior due to exception or rarity.


    "The quality of the beer was exceptional."

  3. Exceptional as an adjective (geometry):

    Corresponding to something of lower dimension under a birational correspondence.


    "an exceptional curve; an exceptional divisor"

  1. Exceptional as a noun:

    An exception, or something having an exceptional value