Definition

Relating to something that takes effect from a date in the past, often used in legal or financial contexts.

Example

The new law was retroactive, meaning it applied to events that occurred before it was passed.

Conversation

Did you hear about the retroactive tax changes coming this year?

Yeah, I read something about it — it sounds complicated!

I know, right? It seems like they want to apply the new rules to last year too.

Exactly! I just hope it’s not too much of a hassle for everyone.

Synonyms & Antonyms

Root Explanation

Retroactive → It is formed from "retro-" (meaning backward) and "agere" (meaning to act). The word describes actions that have an effect on a situation that occurred in the past.

Memory Tip

Think of actions that 'act backward' ('retro-') to influence past events — that's what retroactive means.

Visually Confused Words