From WordNet dictionary, version 3.0: mbd n. 1. a condition (mostly in boys) characterized by behavioral and learning disorders Synonyms: attention deficit disorder, ADD, attention deficit hyperactivity disorder, ADHD, hyperkinetic syndrome, minimal brain dysfunction, minimal brain damage, MBD
mbd n. 1. a condition (mostly in boys) characterized by behavioral and learning disorders Synonyms: attention deficit disorder, ADD, attention deficit hyperactivity disorder, ADHD, hyperkinetic syndrome, minimal brain dysfunction, minimal brain damage, MBD