verb re·tard \ri-ˈtärd\

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

Full Definition of RETARD

transitive verb
:  to slow up especially by preventing or hindering advance or accomplishment :  impede
:  to delay academic progress by failure to promote
intransitive verb
:  to undergo retardation
re·tard·er noun

Examples of RETARD

  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


noun re·tard

Definition of RETARD

\ri-ˈtärd\ :  a holding back or slowing down :  retardation
\ˈrē-ˌtärd\ often offensive :  a retarded person; also :  a person held to resemble a retarded person in behavior

First Known Use of RETARD



transitive verb re·tard \ri-ˈtärd\   (Medical Dictionary)

Medical Definition of RETARD

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


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