ex post facto(redirected from Ex-post facto)
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ex post fac·to(ĕks′ pōst făk′tō)
Formulated, enacted, or operating retroactively: "When we apply today's morality to yesterday's mores, we indulge in ex post facto judgment" (William Safire).
[Latin ex postfactō : ex, from + postfactō, ablative of postfactum, that which is done afterward.]
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]
ex post fac•to(ˈɛks ˌpoʊst ˈfæk toʊ)
1. after the fact; subsequently; retroactively.
2. having retroactive force: an ex post facto law.
[1625–35; < Latin: from a thing done afterward]
ex post facto
A Latin phrase meaning after the deed, used to describe something that is retrospective in effect.