Synonyms of ABNORMALITY

noun

1. an abnormal physical condition resulting from defective genes or developmental deficiencies

   Not playable in Scrabble US: ABNORMALCY.

2. retardation sufficient to fall outside the normal range of intelligence

   Also: mental defectiveness.

3. marked strangeness as a consequence of being abnormal

   • FREAKISHNESS22

4. behavior that breaches the rule or etiquette or custom or morality

   • IRREGULARITY16