English version

ex post facto law

From Longman Dictionary of Contemporary English
Related topics: Law
ex post facto lawex post fac‧to law /ˌeks pəʊst ˈfæktəʊ ˌlɔː $ -poʊst ˈfæktoʊ ˌlɒː/ noun [countable] law 🔊 🔊 SCLa law that makes a particular action into a crime, and then punishes people who took that action before it had legally become a crime
Examples from the Corpus
ex post facto lawNo bill of attainder, or ex post facto law shall be passed.
Pictures of the day
Do you know what each of these is called?
Click on the pictures to check.