1

retard

verb re·tard \ ri-ˈtärd \

Definition of retard

transitive verb
:to slow up especially by preventing or hindering advance or accomplishment :impede
intransitive verb
:to undergo retardation

retarder

noun

Examples of retard in a Sentence

  1. The chemical will retard the spread of fire.

  2. The problems have retarded the progress of the program.

Origin and Etymology of retard

Middle English, from Anglo-French or Latin; Anglo-French retarder, from Latin retardare, from re- + tardus slow

Synonym Discussion of retard

delay, retard, slow, slacken, detain mean to cause to be late or behind in movement or progress. delay implies a holding back, usually by interference, from completion or arrival.
    • bad weather delayed our arrival
retard suggests reduction of speed without actual stopping.
    • language barriers retarded their progress
slow and slacken also imply a reduction of speed, slow often suggesting deliberate intention
    • medication slowed the patient's heart rate
, slacken an easing up or relaxing of power or effort.
    • on hot days runners slacken their pace
detain implies a holding back beyond a reasonable or appointed time.
    • unexpected business had detained her

2

retard

noun re·tard

Definition of retard

1 play \ri-ˈtärd\ :a holding back or slowing down :retardation
2 play \ˈrē-ˌtärd\ offensive :a person affected with mental retardation
3 play \ˈrē-ˌtärd\ informal, usually offensive :a foolish or stupid person

RETARD Defined for English Language Learners

retard

verb

Definition of retard for English Language Learners

  • : to slow down the development or progress of (something)


RETARD Defined for Kids

retard

verb re·tard \ ri-ˈtärd \

Definition of retard for Students

retarded; retarding
:to slow down :delay
  • Bad weather retarded our progress.

Medical Dictionary

retard

transitive verb re·tard \ ri-ˈtärd \

medical Definition of retard

:to slow up especially by preventing or hindering advance or development
  • retard spoilage
  • retard hair loss

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