Definition of retard

nocturnal Definition: (adjective) of the night; active at night. Petersons.com

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< retaliate

retard >

re·tard ¹    (r-tärd) KEY  

VERB:
re·tard·ed , re·tard·ing , re·tards
VERB:
tr.

To cause to move or proceed slowly; delay or impede.

VERB:
intr.

To be delayed.

NOUN:

1. A slowing down or hindering of progress; a delay.
2. Music A slackening of tempo.

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ETYMOLOGY:
Middle English retarden, from Old French retarder, from Latin retardre : re-, re- + tardre, to delay (from tardus, slow)

OTHER FORMS:
re·tarder (Noun)

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