[ ee-kwuh-prob-uh-buh-liz-uh m, ek-wuh- ]
/ ˌi kwəˈprɒb ə bəˌlɪz əm, ˌɛk wə- /

noun Roman Catholic Theology.

a theory that in cases of doubt as to the lawfulness or unlawfulness of an action, it is permissible to follow either argument.Compare probabilism(def 2).

Origin of equiprobabilism

First recorded in 1885–90; equi- + probabilism
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019