WWordGenerator.org GeneratorsWord ListsBlogAboutGenerate a word Home / V / vacillate vacillate verb /væsəleɪt/ 3 syllables 9 letters Scrabble 14 WWF 18 Definitions verb be undecided about something; waver between conflicting positions or courses of action hoveroscillatevibrate verb move or sway in a rising and falling or wavelike pattern “the line on the monitor vacillated” fluctuatewaver Look “vacillate” up elsewhere Wiktionary ↗ Merriam-Webster ↗ Etymonline ↗ Dictionary.com ↗ Want another word?Spin the dictionary for a fresh one. Generate a word →