adverb
- in a way that takes effect from a date in the past
Usage: legal; formal
Examples
- The new tax law was applied retroactively to January 1st.
- Her promotion was made retroactively effective from last month.
- The company retroactively changed its policy on vacation days.
- The court ruling cannot be applied retroactively to past cases.
- His salary increase was granted retroactively from the beginning of the year.
- The insurance coverage was extended retroactively to cover the accident.