from The American Heritage® Dictionary of the English Language, 4th Edition
- adj. Formulated, enacted, or operating retroactively. Used especially of a law.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. Retroactive
- adj. Formulated or enacted after some event, and then retroactively applied to it.
from the GNU version of the Collaborative International Dictionary of English
- From or by an after act, or thing done afterward; in consequence of a subsequent act; retrospective.
from The Century Dictionary and Cyclopedia
- From a subsequent state of facts; from a later point of view; with reference to a former state of facts; retrospectively: as, the transaction was made void by matter ex post facto; a lease made by a life tenant to run beyond his own life may be confirmed ex post facto by the rever-sioner.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- adj. affecting things past
Latin ex postfactō : ex, from + postfactō, ablative of postfactum, that which is done afterward.(American Heritage® Dictionary of the English Language, Fourth Edition)
From Latin ex ("from") + post ("after") + facto, ablative of factum ("deed") (Wiktionary)