retrospectively

Definitions

With reference to a time or events that have already taken place.

Applying to or influencing the past; in a retroactive manner.

Examples

The new safety regulations were applied retrospectively to all buildings constructed before the law was passed.

Looking back, we realized that the project's failure could be retrospectively attributed to a lack of clear communication.

Synonyms

in retrospect looking back with hindsight after the fact ex post facto

Antonyms

prospectively looking forward in advance a priori preemptively