retroactive
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Related to retroactive: Retroactive law, retroactive effect
ret·ro·ac·tive
(rĕt′rō-ăk′tĭv)adj.
Influencing or applying to a period prior to enactment: a retroactive pay increase.
[French rétroactif, from Latin retroāctus, past participle of retroagere, to drive back : retrō-, retro- + agere, to drive; see ag- in Indo-European roots.]
ret′ro·ac′tive·ly adv.
ret′ro·ac·tiv′i·ty n.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
retroactive
(ˌrɛtrəʊˈæktɪv)adj
1. applying or referring to the past: retroactive legislation.
2. effective or operative from a date or for a period in the past
ˌretroˈactively adv
ˌretroˈactiveness, ˌretroacˈtivity n
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
ret•ro•ac•tive
(ˌrɛ troʊˈæk tɪv)adj.
1. operative with respect to past occurrences, as a statute.
2. (of a pay raise) effective as of a past date.
[1605–15]
ret`ro•ac′tive•ly, adv.
ret`ro•ac•tiv′i•ty, n.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
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Adj. | 1. | retroactive - descriptive of any event or stimulus or process that has an effect on the effects of events or stimuli or process that occurred previously psychological science, psychology - the science of mental life proactive - descriptive of any event or stimulus or process that has an effect on events or stimuli or processes that occur subsequently; "proactive inhibition"; "proactive interference" |
2. | retroactive - affecting things past; "retroactive tax increase"; "an ex-post-facto law"; "retro pay" retrospective - concerned with or related to the past; "retrospective self-justification" |
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Collins Spanish Dictionary - Complete and Unabridged 8th Edition 2005 © William Collins Sons & Co. Ltd. 1971, 1988 © HarperCollins Publishers 1992, 1993, 1996, 1997, 2000, 2003, 2005
retroactive
a. retroactivo-a, de acción retroactiva.
English-Spanish Medical Dictionary © Farlex 2012