WWordGenerator.org GeneratorsWord ListsBlogAboutGenerate a word Home / F / fast day fast day noun /fæstdeɪ/ 8 letters Scrabble 14 WWF 13 Definitions noun a day designated for fasting Look “fast day” up elsewhere Wiktionary ↗ Merriam-Webster ↗ Etymonline ↗ Dictionary.com ↗ Want another word?Spin the dictionary for a fresh one. Generate a word →