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1

retard

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verb re·tard \ri-ˈtärd\

Simple Definition of retard

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

Source: Merriam-Webster's Learner's Dictionary

Full Definition of retard

  1. transitive verb
  2. 1 :  to slow up especially by preventing or hindering advance or accomplishment :  impede

  3. 2 :  to delay academic progress by failure to promote

  4. intransitive verb
  5. :  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 of retard

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


First Known Use: 15th century

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>.

delay, procrastinate, lag, loiter, dawdle, dally mean to move or act slowly so as to fall behind. delay usually implies a putting off (as a beginning or departure) <we cannot delay any longer>. procrastinate implies blameworthy delay especially through laziness or apathy <procrastinates about making decisions>. lag implies failure to maintain a speed set by others <lagging behind in technology>. loiter and dawdle imply delay while in progress, especially in walking, but dawdle more clearly suggests an aimless wasting of time <loitered at several store windows> <children dawdling on their way home from school>. dally suggests delay through trifling or vacillation when promptness is necessary <stop dallying and get to work>.

2

retard

noun re·tard

Definition of retard

  1. 1 \ri-ˈtärd\ :  a holding back or slowing down :  retardation

  2. 2 \ˈrē-ˌtärd\ often offensive :  a retarded person; also :  a person held to resemble a retarded person in behavior



1788

First Known Use of retard

1788


RETARD Defined for Kids

retard

play
verb re·tard \ri-ˈtärd\

Definition of retard for Students

retardedretarding

  1. :  to slow down :  delay <Bad weather retarded our progress.>




Medical Dictionary

retard

play
transitive verb re·tard \ri-ˈtärd\

Medical Definition of retard

  1. :  to slow up especially by preventing or hindering advance or development <retard spoilage> <retard hair loss>




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