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)
stupid person
Source: wiktionary.orgSearch words containing