Retroact
[,retrәu'ækt]
Definition
(v. i.) To act backward, or in return; to act in opposition; to be retrospective.
Edited by Hattie
Definition
v.i. to act backward or in return or opposition or on something past or preceding.—n. Retroac′tion.—adj. Retroac′tive.—adv. Retroac′tively in a retroactive manner: by operating on something past.—Retroactive law a retrospective law.
Inputed by Dustin