retroactively
/ˌrɛtroʊˈæktɪvli/
adverb
- In a way that takes effect from a date in the past.
- The subscription was billed retroactively from the day she first signed up.
- The new policy was applied retroactively, so all employees received the bonus for last quarter.
- The court ruled that the law could not be enforced retroactively.
Antonyms