1
: relating to or being the fallacy of arguing from temporal sequence to a causal relation
2
: formulated after the fact
a post hoc rationalization

Examples of post hoc in a Sentence

Recent Examples on the Web
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Nearly nine in 10 polls overstated Clinton's support among voters that year, according to a Pew analysis done post hoc. Nina Turner, Newsweek, 30 Oct. 2024 Antitrust enthusiasts often point to this as an example of salutary government intervention, but this is a classic post hoc ergo propter hoc error. The Editors, National Review, 13 Aug. 2024 Moreover, a myopic reliance on post hoc liability for platforms does little either to prevent abuse or to punish child abusers. Maureen Flatley, National Review, 25 Jan. 2024 Relying on chronological lists of positions held, rather than asking people to respond to a survey questioning them about their experiences, brings with it the risk of the logical error post hoc ergo propter hoc: afterwards, therefore because. Dr. Marlena Corcoran, Forbes, 30 Nov. 2023 See all Example Sentences for post hoc 

Word History

Etymology

New Latin post hoc, ergo propter hoc after this, therefore because of this

First Known Use

1704, in the meaning defined at sense 1

Time Traveler
The first known use of post hoc was in 1704

Dictionary Entries Near post hoc

Cite this Entry

“Post hoc.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/post%20hoc. Accessed 22 Nov. 2024.

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