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Definition of retroactive

retroactive

/ˌrɛt.roʊˈæk.tɪv/
ret · ro · ac · tive

Adverb:retroactively
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retroactive Lexical Profile

retroactive Game Scores & Validity

• adjective

1

Taking effect from a date in the past; applying to or influencing a period before a law, rule, or agreement was formally enacted.

Example

"The union negotiated a new contract that included a retroactive pay raise dating back to the start of the fiscal year."

Synonyms
View all synonyms for retroactive

Word Nuance & Usage

While 'retroactive' and 'retrospective' are often used interchangeably in legal and administrative contexts, 'retroactive' specifically describes a policy or decision that applies to a past date, whereas 'retrospective' more commonly refers to looking back at or reviewing past events.

• Rhymes for retroactive

Word Origin & Etymology

Borrowed in the early 17th century from French rétroactif, formed from Latin retroactus (past participle of retroagere, 'to drive or turn back'), from retro- ('backward') and agere ('to do, drive').

Usage Trend

Historical frequency of usage in published text.

180019102020

Cite this Entry


Wordmom. (2026). Definition of Retroactive. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/retroactive
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