WWordGenerator.org GeneratorsWord ListsBlogAboutGenerate a word Home / S / strenuousness strenuousness noun 13 letters Scrabble 13 WWF 17 Definitions noun extreme effortfulness arduousness Look “strenuousness” up elsewhere Wiktionary ↗ Merriam-Webster ↗ Etymonline ↗ Dictionary.com ↗ Want another word?Spin the dictionary for a fresh one. Generate a word →