[ 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.
Origin of retard
Related formsre·tard·ing·ly, adverb
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
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