· people collectively who are mentally retarded; "he started a school for the retarded"

Synonym(s): mentally_retarded, developmentally_challenged

Hypernym(s): people

· 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"

Synonym(s): check, delay

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

· relatively slow in mental or emotional or physical development; "providing a secure and sometimes happy life for the retarded"

Antonym(s): precocious