From Longman Dictionary of Contemporary Englishretroactiveret‧ro‧ac‧tive /ˌretrəʊˈæktɪv◂ $ -troʊ-/ adjective formal BSCLa law or decision that is retroactive is effective from a particular date in the past SYN retrospective a retroactive pay increaseretroactive to The legislation is retroactive to 1st June. —retroactively adverb
Examples from the Corpus
retroactive• The result seems imposed and artificial, a seemingly retroactive attempt to fit unwilling text to some overarching high-concept frame.• Even if it stops short of this extreme, retroactive cost justification is largely ineffective.• At least the government can answer those who say its attitude to retroactive legislation is inconsistent.• And there are few precedents for the sort of retroactive legislation the banks want.• Some schemes use retroactive notation in order to signal new facets.• This means that the payment may have been for multiple months, which indicates there may have been a retroactive salary payment.• Many suspect that retroactive tax cuts could be ditched.• There's an immediate freeze on all anti-USSR activities, retroactive to 2400 hours last night.retroactive to• The 3% raise will be retroactive to July 1.From Longman Business Dictionaryretroactiveret‧ro‧ac‧tive /ˌretrəʊˈæktɪv◂-troʊ-/ adjective formalLAW a law or decision that is retroactive is effective from a particular date in the pastSYNRETROSPECTIVEretroactive toThe company said it will adopt the new accounting method retroactive to Jan. 1. —retroactively adverbThe pension benefitsapply retroactively to employees who retired on or after last Dec. 31. 