1
[ verb ] cause to move more slowly or operate at a slower rate

Examples

"This drug will retard your heart rate"

Related terms

decelerate deaden retardant

2
[ verb ] slow the growth or development of

Synonyms

check delay

Examples

"The brain damage will retard the child's language development"

3
[ verb ] lose velocity; move more slowly

Examples

"The car decelerated"

4
[ verb ] be delayed

Related terms

be retardation

5
[ noun ] a person of subnormal intelligence

Related terms

simpleton check

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