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 | ||