(comparative more vituperous, superlative most vituperous)
From French vitupéreux, from Late Latin vituperosus, from Latin vituperare (“to blame, censure”), from vitium (“fault, defect”) + parare (“to furnish, provide, contrive”).
"vituperous." YourDictionary, n.d. Web. 16 August 2018. <http://www.yourdictionary.com/vituperous>.
vituperous. (n.d.). Retrieved August 16th, 2018, from http://www.yourdictionary.com/vituperous