I. retardate transitive verb
( -ed/-ing/-s )
Etymology: Latin retardatus, past participle of retardare to retard
obsolete : retard
II. re·tard·ate rə̇ˈtärˌdāt noun
( -s )
Etymology: Latin retardatus, past participle
: one who is mentally retarded ; especially : a pupil who is retarded in school