re⋅tard /rɪˈtɑrd, for 1?3, 5; ˈritɑrd for 4/ Show Spelled Pronunciation [ri-tahrd, for 1?3, 5; ree-tahrd for 4] Show IPA
?verb (used with object) 1. to make slow; delay the development or progress of (an action, process, etc.); hinder or impede.
?noun 3. a slowing down, diminution, or hindrance, as in a machine.
4. Slang: Disparaging. a. a mentally retarded person.
b. a person who is stupid, obtuse, or ineffective in some way: a hopeless social retard.
5. 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:
1480?90; < L retardāre to delay, protract, equiv. to re- re- + tardāre to loiter, be slow, deriv. of tardus slow; see tardy
Related forms:
re⋅tard⋅ing⋅ly, adverb
Synonyms:
1. obstruct, check.
Dictionary.com Unabridged
Based on the Random House Dictionary, ? Random House, Inc. 2009.
Cite This Source |Link To retarded
re?tard 1 (rĭ-t?rd')
v. re?tard?ed, re?tard?ing, re?tards
v. tr.
To cause to move or proceed slowly; delay or impede.
v. intr.
To be delayed.
n.
A slowing down or hindering of progress; a delay.