Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun subnormality

2 senses of subnormality

Sense 1
subnormality -- (the state of being less than normal (especially with respect to intelligence))
       => abnormality, abnormalcy -- (an abnormal physical condition resulting from defective genes or developmental deficiencies)

Sense 2
retardation, mental retardation, backwardness, slowness, subnormality -- (lack of normal development of intellectual capacities)
       => stupidity -- (a poor ability to understand or to profit from experience)