1. (of especially persons) lacking sense or understanding or judgment
   - nitwitted, senseless, soft-witted

See also: stupid

• organize
• organized
• organized crime
• organized labor
• organized labour
• organized religion
• organizer
• organo-
• organogenesis
• organogram
• organoleptic
• organon
• organophosphate
• organophosphate nerve agent
• organs
• organum
• organza
• organzine
• orgasm
• orgasmic
• orgiastic
• orgy
• oribi
• orichalc
• orichalcum