ex post facto

Also found in: Thesaurus, Medical, Legal, Financial, Wikipedia.
Related to ex post facto: Ex post facto law

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)
adv., adj.
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.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Adj.1.ex post facto - affecting things past; "retroactive tax increase"; "an ex-post-facto law"; "retro pay"
retrospective - concerned with or related to the past; "retrospective self-justification"
References in classic literature ?
No State shall enter into any treaty, alliance, or confederation; grant letters of marque and reprisal; coin money; emit bills of credit; make any thing but gold and silver a legal tender in payment of debts; pass any bill of attainder, ex post facto law, or law impairing the obligation of contracts; or grant any title of nobility.
Bills of attainder, ex post facto laws, and laws impairing the obligation of contracts, are contrary to the first principles of the social compact, and to every principle of sound legislation.
No Bill of Attainder or ex post facto Law shall be passed.
No State shall enter into any Treaty, Alliance, or Confederation; grant Letters of Marque and Reprisal; coin Money; emit Bills of Credit; make any Thing but gold and silver Coin a Tender in Payment of Debts; pass any Bill of Attainder, ex post facto Law, or Law impairing the Obligation of Contracts, or grant any Title of Nobility.
By a limited Constitution, I understand one which contains certain specified exceptions to the legislative authority; such, for instance, as that it shall pass no bills of attainder, no ex post facto laws, and the like.
It is probable that both these representations were of ex post facto origin; the young gentleman (whose expressive name was Sparkler) being monomaniacal in offering marriage to all manner of undesirable young ladies, and in remarking of every successive young lady to whom he tendered a matrimonial proposal that she was
A noble use of them had, however, been made, and again I was compelled to deal with the result in ex post facto manner.
The Union Cabinet chaired by the Prime Minister Shri Narendra Modi has given its ex post facto approval for the Memorandum of Understanding (MoU) between India and Germany on Security Cooperation.
Constitution and the constitutions of every state ban ex post facto laws, only Missouri and a minority of other states prohibit enactment of laws retrospective in their operation.
However, societal disdain toward sex offenders, and the resulting social stigma, remains the driving force behind newly enacted and amended statutes that apply harsh regulations to sex offenders--statutes that sometimes even impose retroactive application, which violates the sex offenders' constitutional rights under the Ex Post Facto Clause.
The NA speaker would now have to get ex post facto approval from NA finance committee for formalizing the extension in service of Karamat Niazi.
Criminal Law--Fourth Circuit Holds Retroactive Application of Federal Sentencing Guidelines Amendments Violates Ex Post Facto Clause--United States v.