WWordGenerator.org GeneratorsWord ListsBlogAboutGenerate a word Home / L / laboriousness laboriousness noun 5 syllables 13 letters Scrabble 15 WWF 19 Definitions noun the quality of requiring extended effort operosenesstoilsomeness Look “laboriousness” up elsewhere Wiktionary ↗ Merriam-Webster ↗ Etymonline ↗ Dictionary.com ↗ Want another word?Spin the dictionary for a fresh one. Generate a word →