rigor/ˈrɪɡər/Pluralrigors1the quality of thoroughness and accuracy in approach or analysisMaintaining rigor in the editorial process ensures the credibility of the publication.Students at the top university are expected to maintain a high level of intellectual rigor in their research.Synonyms: cogencyvalidity2something hard to endureSynonyms: rigorousnessseverenessgrimnessseverityhardshipasperity