English adjective: retroactive | |||
1. | retroactive descriptive of any event or stimulus or process that has an effect on the effects of events or stimuli or process that occurred previously | ||
Domain category | psychological science, psychology | ||
Antonyms | proactive | ||
2. | retroactive affecting things past | ||
Samples | Retroactive tax increase. An ex-post-facto law. Retro pay. | ||
Synonyms | ex post facto, retro | ||
Similar | retrospective | ||
Antonyms | prospective | ||