1. (noun) abnormality, abnormalcy
an abnormal physical condition resulting from defective genes or developmental deficiencies
Synonyms: mental defectiveness, irregularity, abnormality, freakishness, abnormalcy
Antonyms: normalcy, normality
2. (noun) abnormality, mental defectiveness
retardation sufficient to fall outside the normal range of intelligence
Synonyms: mental defectiveness, irregularity, abnormality, freakishness, abnormalcy
Antonyms: normalcy, normality
3. (noun) abnormality, freakishness
marked strangeness as a consequence of being abnormal
Synonyms: mental defectiveness, irregularity, abnormality, freakishness, abnormalcy
Antonyms: normalcy, normality
4. (noun) abnormality, irregularity
behavior that breaches the rule or etiquette or custom or morality
Synonyms: constipation, abnormality, freakishness, abnormalcy, mental defectiveness, irregularity, geometrical irregularity, unregularity
Antonyms: normalcy, normality
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Synonyms for abnormality 
