· a person of subnormal intelligence
Synonym(s): idiot, imbecile, cretin, moron, changeling, half-wit
Hypernym(s): simpleton, simple
· cause to move more slowly or operate at a slower rate; "This drug will retard your heart rate"
Hypernym(s): decelerate, slow_down
· be delayed
Hypernym(s): be
· slow the growth or development of; "The brain damage will retard the child's language development"
Hypernym(s): change, alter, modify
· lose velocity; move more slowly; "The car decelerated"
Synonym(s): decelerate, slow, slow_down, slow_up
Hypernym(s): decrease, diminish, lessen, fall