WWordGenerator.org GeneratorsWord ListsBlogAboutGenerate a word Home / S / simultaneous operation simultaneous operation noun 22 letters Scrabble 25 WWF 32 Definitions noun the simultaneous execution of two or more operations parallel operation Look “simultaneous operation” up elsewhere Wiktionary ↗ Merriam-Webster ↗ Etymonline ↗ Dictionary.com ↗ Want another word?Spin the dictionary for a fresh one. Generate a word →