abnormality Meaning, Definition & Usage

1. noun an abnormal physical condition resulting from defective genes or developmental deficiencies
   abnormalcy.
   
2. noun retardation sufficient to fall outside the normal range of intelligence
   mental defectiveness.
   
3. noun marked strangeness as a consequence of being abnormal
   freakishness.
   
4. noun behavior that breaches the rule or etiquette or custom or morality
   irregularity.
   

WordNet