transcription, транскрипция: [ retroʊæktɪv ]
If a decision or action is retroactive , it is intended to take effect from a date in the past. ( FORMAL )
There are few precedents for this sort of retroactive legislation.
= retrospective
ADJ
• retro‧ac‧tive‧ly
It isn’t yet clear whether the new law can actually be applied retroactively.
= retrospectively
ADV : ADV with v