WWordGenerator.org GeneratorsWord ListsBlogAboutGenerate a word Home / H / harden harden verb 6 letters Scrabble 10 WWF 10 Definitions verb harden by reheating and cooling in oil temper verb make fit season verb make hard or harder “The cold hardened the butter” indurate verb become hard or harder “The wax hardened” indurate verb cause to accept or become hardened to; habituate indurateinure Look “harden” up elsewhere Wiktionary ↗ Merriam-Webster ↗ Etymonline ↗ Dictionary.com ↗ Want another word?Spin the dictionary for a fresh one. Generate a word →