prob·​a·​bi·​lism | \ ˈprä-bə-bə-ˌli-zəm How to pronounce probabilism (audio) \

Definition of probabilism

1 : a theory that in disputed moral questions any solidly probable course may be followed even though an opposed course is or appears more probable
2 : a theory that certainty is impossible especially in the sciences and that probability suffices to govern belief and action

Other Words from probabilism

probabilist \ ˈprä-​bə-​bə-​list How to pronounce probabilist (audio) \ adjective or noun

First Known Use of probabilism

1719, in the meaning defined at sense 1

History and Etymology for probabilism

French probabilisme, from Latin probabilis probable

Keep scrolling for more

Learn More about probabilism

Share probabilism

Statistics for probabilism

Look-up Popularity

Time Traveler for probabilism

The first known use of probabilism was in 1719

See more words from the same year

More from Merriam-Webster on probabilism Encyclopedia article about probabilism

Comments on probabilism

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


the way words of a language are spelled

Get Word of the Day daily email!

Test Your Vocabulary

A Green Quiz

  • shamrock
  • What is the best definition of green-eyed monster?
True or False

Test your knowledge - and maybe learn something along the way.

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!