ex post

[eks pohst]

adjective

1. based on analysis of past performance (ex ante ).

Word History and Origins

Origin of ex post¹

1635–45; < Latin: from (what lies) behind, according to (what lies) behind

Example Sentences

Trump, who struggles with even a basic understanding of middle school level English and history, apparently thinks that he can ex post facto incantate legalistic-sounding phrases like “perpetrating, attempting, or threatening an invasion or predatory incursion” and magically shoehorn his rushed and hushed detentions and deportations of migrants into a law meant for members of a hostile foreign nation during armed conflict.

From Salon

But it was only when Adams encouraged Smith of the Los Angeles Philharmonic to take a look at the score, and Mattingly began to send along recorded clips, that “Stranger Love,” long finished, was ex post facto commissioned by the Philharmonic for a staged production.

From New York Times

“This is a violation of the ex post facto clause of the constitution,” said Neama Rahmani, president of West Coast Trial Lawyers.

From Washington Times

As for the claim of ex post facto justice, Robert Jackson — the American prosecutor who believed aggression enabled all the other war crimes that followed — summed up the charge:

From Salon

"A greater ex ante national ownership of the design of fiscal trajectories could be balanced by a stronger ex post enforcement at EU level," he said.

From Reuters