retroaction

noun

ret·​ro·​ac·​tion ˌre-trō-ˈak-shən How to pronounce retroaction (audio)
1
[retroactive] : retroactive operation (as of a law or tax)
2
[retro- + action] : a reciprocal action : reaction

Word History

First Known Use

1728, in the meaning defined at sense 1

Time Traveler
The first known use of retroaction was in 1728

Dictionary Entries Near retroaction

retroact

retroaction

retroactive

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Cite this Entry

“Retroaction.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/retroaction. Accessed 22 Nov. 2024.

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