retroactivity
The English word “retroactivity” has 2 meanings listed here.
noun
- The state or characteristic of being retroactive.
- The application of a law to events that took place before it was made.
Etymology
From retroactive + -ity.
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More English words
- retroactive
- retroactive rape
- retroactively
- retroactiveness
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Definitions are from Wiktionary, extracted by Kaikki.org, and are available under the CC BY-SA 4.0 licence.