[rig-uh-riz-uh m]
  1. extreme strictness.
  2. (in Roman Catholic moral philosophy) the theory that in doubtful cases of conscience no course may be followed that is contrary to Catholic law and doctrine.

Origin of rigorism

From the French word rigorisme, dating back to 1695–1705. See rigor, -ism
Related formsrig·or·ist, nounrig·or·is·tic, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for rigorism

Historical Examples of rigorism

British Dictionary definitions for rigorism


  1. strictness in judgment or conduct
  2. the religious cult of extreme self-denial
  3. RC theol the doctrine that in cases of doubt in moral matters the stricter course must always be followed
Derived Formsrigorist, nounrigoristic, adjective
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