WWordGenerator.org GeneratorsWord ListsBlogAboutGenerate a word Home / R / rigorousness rigorousness noun 12 letters Scrabble 13 WWF 16 Definitions noun excessive sternness hardnessharshnessinclemencyrigorrigourrigourousnessseverenessseverity noun something hard to endure asperitygrimnesshardshiprigorrigourrigourousnessseverenessseverity Look “rigorousness” up elsewhere Wiktionary ↗ Merriam-Webster ↗ Etymonline ↗ Dictionary.com ↗ Want another word?Spin the dictionary for a fresh one. Generate a word →