rigorousadjective/ʁiɡuˈɾozu/mediumri·go·ro·soPortuguesEnglishEspanolFrancaisDefinitionExtremely thorough, exhaustive, or accurate.The training was rigorous and demanding.A rigorous scientific method was applied.synstrictstringentmeticulousantlenientlaxcarelessCommon collocationsrigorous standardsrigorous testingrigorous disciplineEtymologyDo latim 'rigorosus'.Related wordsrigorrigorosidaderigorista