WWordGenerator.org GeneratorsWord ListsBlogAboutGenerate a word Home / H / heat wave heat wave noun /hitweɪv/ 9 letters Scrabble 17 WWF 17 Definitions noun a wave of unusually hot weather Look “heat wave” up elsewhere Wiktionary ↗ Merriam-Webster ↗ Etymonline ↗ Dictionary.com ↗ Want another word?Spin the dictionary for a fresh one. Generate a word →