Rigor All Articles Rigor Read Definitions of ‘rigor’ rigor (noun) Synonyms: rigidity, inflexibility, austerity, severity, asperity, sternness, inclemency, stringency Discussion (0) Be the first to start a discussion about this article by leaving your comment. You must be logged in to post a comment on this article. Create a free account if you don't have one. Register
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