Synonyms: imbecility, stupidity, folly, foolishness, betise
Definition: a stupid mistake
Similar words: mistake, error, fault
Definition: a wrong action attributable to bad judgment or ignorance or inattention
Usage: he made a bad mistake; she was quick to point out my errors; I could understand his English in spite of his grammatical faults
Synonyms: imbecility
Definition: retardation more severe than a moron but not as severe as an idiot
Similar words: mental retardation, slowness, subnormality, retardation, backwardness
Definition: lack of normal development of intellectual capacities