"abnormality" in the noun sense
1. abnormality, abnormalcy
an abnormal physical condition resulting from defective genes or developmental deficiencies
2. abnormality, mental defectiveness
retardation sufficient to fall outside the normal range of intelligence
3. abnormality, freakishness
marked strangeness as a consequence of being abnormal
4. abnormality, irregularity
behavior that breaches the rule or etiquette or custom or morality
Source: WordNet® (An amazing lexical database of English)
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