retroactive
英[retr??'?kt?v]
美[,r?tro'?kt?v]
- adj. 追溯的；有追溯效力的；反動的
英英釋意
- 1. descriptive of any event or stimulus or process that has an effect on the effects of events or stimuli or process that occurred previously
- 2. affecting things past;
- "retroactive tax increase"
- "an ex-post-facto law"
- "retro pay"