fal·li·bi·lism | \ˈfaləbəˌlizəm\
plural -s

Definition of fallibilism 

: a theory that it is impossible to attain absolutely certain empirical knowledge because the statements constituting it cannot be ultimately and completely verified opposed to infallibilism

Love words?

You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.

Start your free trial today and get unlimited access to America's largest dictionary, with:

  • More than 250,000 words that aren't in our free dictionary
  • Expanded definitions, etymologies, and usage notes
  • Advanced search features
  • Ad free!

Other Words from fallibilism

fallibilist \-lə̇st \ noun plural -s
fallibilistic \¦⸗⸗⸗¦listik \ adjective

History and Etymology for fallibilism

Medieval Latin fallibilis + English -ism

Keep scrolling for more

Learn More about fallibilism

Share fallibilism

Statistics for fallibilism

Look-up Popularity

Comments on fallibilism

What made you want to look up fallibilism? Please tell us where you read or heard it (including the quote, if possible).


required by fashion, etiquette, or custom

Get Word of the Day daily email!

Test Your Vocabulary

Great Scrabble Words—A Quiz

  • scrabble-tiles-that-read-scrabble-quiz
  • Which of the following Q-without-U words means the number five in cards or dice?
Name That Thing

Test your visual vocabulary with our 10-question challenge!

Word Winder's CrossWinder

Test Your Knowledge - and learn some interesting things along the way.


Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!