Retroactive Synonyms and Antonyms

rĕtrō-ăktĭv
Affecting things past
(Adjective)
Synonyms:
  1. ex post facto
  2. retro
Descriptive of any event or stimulus or process that has an effect on the effects of events or stimuli or process that occurred previously
(Adjective)
Antonyms:
  1. proactive

Retroactive Sentence Examples

  • The constitution prohibits special, local and retroactive legislation, legislation impairing the obligation of contracts, and legislation levying a poll tax for county or state purposes or a tax on state, municipal and public school bonds (amendment of 1905), and it limits the amount and specifies the character of public debts which the legislature may contract.

  • When a new vaccine is added to the Vaccine Injury Table, coverage is retroactive for eight years.

  • Although the Act did not go into effect until March 1, 2009, it was made retroactive to September 1, 2008.

  • The United Nations began last year to try to quash Iraq 's surcharges by imposing a system of retroactive pricing on Iraqi oil.

  • Interest also accrues on retroactive support ordered.

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