ex post facto

ex post facto

[eks pohst fak-toh]
from or by subsequent action; subsequently; retrospectively; retroactively.
having retroactive force; made or done subsequently: an ex post facto law.

1625–35; < Latin: from a thing done afterward, from what is done afterward

ad hoc, a posteriori, a priori, ex post facto, prima facie.
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World English Dictionary
ex post facto (ɛks pəʊst ˈfæktəʊ)
having retrospective effect: an ex post facto law
[C17: from Latin ex from + post afterwards + factus done, from facere to do]

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Word Origin & History

ex post facto
1632, from M.L. ex postfacto "from what is done afterwards."
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Cultural Dictionary
ex post facto [(eks pohst fak-toh)]

An explanation or regulation concocted after the event, sometimes misleading or unjust: “Your ex post facto defense won't stand up in court.” (See ex post facto law.) From Latin, meaning “after the deed.”

ex post facto [(eks pohst fak-toh)]

A descriptive term for an explanation or a law that is made up after an event and then applied to it: “The chairman's description of his plan sounds like an ex post facto attempt to justify an impulsive action.” Ex post facto is Latin for “from after the deed.”

The American Heritage® New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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