retroactive
ret-ro-ac-tive
adjective
Taking effect from a date in the past, rather than from its enactment.
"The pay rise was made retroactive to April."
Thesaurus
Synonyms: retro, ex post facto, retrospective
Antonyms: proactive
ret-ro-ac-tive
Taking effect from a date in the past, rather than from its enactment.
"The pay rise was made retroactive to April."
Synonyms: retro, ex post facto, retrospective
Antonyms: proactive