Definitions of abnormality

Abnormality is very hard to define as it is usually based on a subjective opinion which is a criticism of all three definitions which try to define it.It is failure to function adequately, deviation of social norms and deviation from ideal mental health.

Deviation of social norms is breaking an written (laws) or unwritten norm (polite) which makes a person abnormal because it is going against the rule of society. However there are many criticism of this definition as it can easily define a person as abnormal. One of the criticism is that it has historical bias as 50 years ago homosexuality was seen as an abnormality (Oscar Wild killed because of it) while today it is seen as a normal thing. Further criticism is that in some countries as defined as abnormal persons because they don't agree with the politics of the day so they are classified as schizophrenics like…