retroactive
Use Retroactive in a sentence
troʊˈæk adjective
1.
operative with respect to past occurrences, as a statute; retrospective: a retroactive law.
2.
pertaining to a pay raise effective as of a past date.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2013.
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Based on the Random House Dictionary, © Random House, Inc. 2013.
Cite This Source
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Link To retroactive
00:10
Retroactive
is always a great word to know.
So is bezoar. Does it mean:
| a calculus or concretion found in the stomach or intestines of certain animals, esp. ruminants, formerly reputed to be an effective remedy for poison. |
| a stew of meat, vegetables, potatoes, etc. |
Collins
World English Dictionary
retroactive (ˌrɛtrəʊˈæktɪv) ![[Click for IPA pronunciation guide]](http://static.sfdict.com/dictstatic/g/d/dictionary_questionbutton_default.gif) | |
| —adj | |
| 1. | applying or referring to the past: retroactive legislation |
| 2. | effective or operative from a date or for a period in the past |
| retro'actively | |
| —adv | |
| retro'activeness | |
| —n | |
| retroac'tivity | |
| —n | |
Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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Etymonline
Word Origin & History
retroactive
1611, from Fr. rétroactif (fem. rétroactive) "casting or relating back," from L. retroactus, pp. of retroagere "drive or turn back," from retro- "back" + agere "to drive, set in motion" (see act).
Online Etymology Dictionary, © 2010 Douglas Harper
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Example sentences
Retroactive application after years of welcoming foreign participation decreases future predictability.
No retroactive credit for hotel stays prior to promotion registration date.
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