a person of subnormal intelligence

[ Syn: idiot , imbecile , cretin , moron , changeling , half-wit ]

cause to move more slowly or operate at a slower rate; This drug will retard your heart rate'

be delayed

slow the growth or development of; The brain damage will retard the childs language development

[ Syn: check , delay ]

lose velocity; move more slowly; The car decelerated

[ Syn: decelerate , slow , slow down , slow up ]