: of, relating to, or characteristic of the theories of Karl Popper
especially : of or relating to the theory that a hypothesis can be falsified by observed exceptions but never absolutely proven to be true

Word History


Karl Popper †1994 British (Austrian-born) philosopher + English -an entry 2

First Known Use

1958, in the meaning defined above

Time Traveler
The first known use of Popperian was in 1958

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Dictionary Entries Near Popperian

Cite this Entry

“Popperian.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Popperian. Accessed 21 May. 2024.

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