WWordGenerator.org GeneratorsWord ListsBlogAboutGenerate a word Home / A / allergen allergen noun /ælərdʒɛn/ 3 syllables 8 letters Scrabble 9 WWF 13 Definitions noun any substance that can cause an allergy Look “allergen” up elsewhere Wiktionary ↗ Merriam-Webster ↗ Etymonline ↗ Dictionary.com ↗ Want another word?Spin the dictionary for a fresh one. Generate a word →