WWordGenerator.org GeneratorsWord ListsBlogAboutGenerate a word Home / R / rule of grammar rule of grammar noun 15 letters Scrabble 21 WWF 26 Definitions noun a linguistic rule for the syntax of grammatical utterances grammatical rule Look “rule of grammar” up elsewhere Wiktionary ↗ Merriam-Webster ↗ Etymonline ↗ Dictionary.com ↗ Want another word?Spin the dictionary for a fresh one. Generate a word →