adjective
retarded in intellectual development
• Syn: ↑backward, ↑slow-witted, ↑feebleminded
• Similar to: ↑retarded
• Derivationally related forms: ↑feeblemindedness (for: ↑feebleminded), ↑slow-wittedness (for: ↑slow-witted), ↑backwardness (for: ↑backward)
• Usage Domain: ↑archaism, ↑archaicism
Useful english dictionary. 2012.