retroactivity
Definition
Noun (uncountable): The quality or state of being retroactive; the application of a law, rule, or action to events that occurred before its enactment or initiation.
Usage Examples
- (The law applies to past events.)
- (The law cannot be applied to earlier actions.)
- (The change takes effect from an earlier date.)
Advanced Usage
"Retroactivity in law": A legal principle concerning whether a new law can be applied to past actions or situations.
- The principle of non-retroactivity protects citizens from being penalized under laws that did not exist at the time of their actions. (Laws generally cannot apply backward.)
"Retroactive effect": A synonym for retroactivity, often used in legal or financial contexts.
- The retroactive effect of the policy meant that all employees received back pay for the last quarter. (The policy applies to past periods.)
Variants and Related Words
- Retroactive (adj): Extending in scope or effect to a prior time or to conditions that existed before enactment.
- The retroactive regulation required companies to amend earlier financial reports. (It applies to past events.)
- Retroactively (adv): In a manner that applies to past events or periods.
- The law was applied retroactively to cover incidents from the previous year. (It was made effective from an earlier date.)
Synonyms
- Backdating: The practice of making an agreement or document effective from a date earlier than its creation.
- Backward effect: The impact of a rule or action on prior circumstances.
Related Idioms
- "Ex post facto": Latin for "from after the action"; referring to laws that apply retroactively.
- An ex post facto law is generally prohibited in many legal systems. (A law that punishes past actions after they occurred.)
Phrasal Verbs
- "To date back": To originate or be effective from an earlier time.
- The agreement dates back to last January, but its retroactivity was only now approved. (It applies to a past starting point.)