WWordGenerator.org GeneratorsWord ListsBlogAboutGenerate a word Home / K / knock against knock against verb 13 letters Scrabble 23 WWF 27 Definitions verb collide violently with an obstacle bump intobutt againstjar againstrun into Look “knock against” up elsewhere Wiktionary ↗ Merriam-Webster ↗ Etymonline ↗ Dictionary.com ↗ Want another word?Spin the dictionary for a fresh one. Generate a word →