Akademik

backwardness
noun
lack of normal development of intellectual capacities
Syn: ↑retardation, ↑mental retardation, ↑slowness, ↑subnormality
Derivationally related forms: ↑subnormal (for: ↑subnormality), ↑slow (for: ↑slowness), ↑backward, ↑retard (for: ↑retardation)
Hypernyms: ↑stupidity
Hyponyms:
abnormality, ↑mental defectiveness, ↑moronity, ↑mental deficiency, ↑idiocy, ↑amentia, ↑imbecility

Useful english dictionary. 2012.