WWordGenerator.org GeneratorsWord ListsBlogAboutGenerate a word Home / I / invalidator invalidator noun 11 letters Scrabble 15 WWF 18 Definitions noun an official who can invalidate or nullify “my bank check was voided and I wanted to know who the invalidator was” nullifiervoider Look “invalidator” up elsewhere Wiktionary ↗ Merriam-Webster ↗ Etymonline ↗ Dictionary.com ↗ Want another word?Spin the dictionary for a fresh one. Generate a word →