[ ri-tahrd, for 1–3, 5; ree-tahrd for 4 ]
/ rɪˈtɑrd, for 1–3, 5; ˈri tɑrd for 4 /
verb (used with object)
to make slow; delay the development or progress of (an action, process, etc.); hinder or impede.
verb (used without object)
to be delayed.
a slowing down, diminution, or hindrance, as in a machine.
Slang: Disparaging and Offensive.
- a contemptuous term used to refer to a person who is cognitively impaired.
- a person who is stupid, obtuse, or ineffective in some way: a hopeless social retard.
Automotive, Machinery. an adjustment made in the setting of the distributor of an internal-combustion engine so that the spark for ignition in each cylinder is generated later in the cycle.
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Question 1 of 7
Origin of retard
usage note for retard
OTHER WORDS FROM retardre·tard·ing·ly, adverb
Words nearby retard
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020
British Dictionary definitions for retard
(tr) to delay or slow down (the progress, speed, or development) of (something)
US offensive a retarded person
US offensive a foolish person
Word Origin for retard
C15: from Old French retarder, from Latin retardāre, from re- + tardāre to make slow, from tardus sluggish; see tardy
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012