WWordGenerator.org GeneratorsWord ListsBlogAboutGenerate a word Home / N / nullify nullify verb /nələfaɪ/ 3 syllables 7 letters Scrabble 13 WWF 16 Definitions verb declare invalid annulavoidinvalidatequashvoid verb show to be invalid invalidate verb make ineffective by counterbalancing the effect of negateneutraliseneutralize Look “nullify” up elsewhere Wiktionary ↗ Merriam-Webster ↗ Etymonline ↗ Dictionary.com ↗ Want another word?Spin the dictionary for a fresh one. Generate a word →