retroactive
Definition
Effective as of an earlier date than the date enacted.
Use retroactive in a sentence
“ I didn't know the contract was retroactive, and meant that it actually started earlier than I had anticipated it would. ”
“ The prices that are available today to consumers may in fact be retroactive to what the current based prices is, as initiated by supply and demand. ”
“ Penny was happy to hear that her new raise was retroactive to the first of the year, so she received a check for the difference in her salaries over the last three months. ”
