What is the meaning of Abnormal?

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

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

A person or object that is not normal.

abnormal; deviating from the usual or normal type

retarded (having mental retardation)

stupid (lacking in intelligence)

retard

stupid person

abnormal

abnormal (not conforming to rule or system)

abnormal (of or pertaining to behaviour that deviates from norms)

Deviating from the usual or normal type; abnormal.

abnormal

abnormal; irregular

despicably stupid; useless; expressing improper or irregular behavior

Source: wiktionary.org