retroactive
[ re-troh-ak-tiv ]
adjective
operative with respect to past occurrences, as a statute; retrospective: a retroactive law.
pertaining to a pay raise effective as of a past date.
Origin of retroactive
1Other words from retroactive
- ret·ro·ac·tive·ly, adverb
- ret·ro·ac·tiv·i·ty, noun
- non·ret·ro·ac·tive, adjective
- non·ret·ro·ac·tiv·i·ty, noun
- un·ret·ro·ac·tive, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024
British Dictionary definitions for retroactive
retroactive
/ (ˌrɛtrəʊˈæktɪv) /
adjective
applying or referring to the past: retroactive legislation
effective or operative from a date or for a period in the past
Derived forms of retroactive
- retroactively, adverb
- retroactiveness or retroactivity, noun
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
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