WWordGenerator.org GeneratorsWord ListsBlogAboutGenerate a word Home / S / supplemental supplemental adjective 12 letters Scrabble 18 WWF 25 Definitions adjective functioning in a supporting capacity auxiliarysubsidiarysupplementary adjective added to complete or make up a deficiency supplementary Look “supplemental” up elsewhere Wiktionary ↗ Merriam-Webster ↗ Etymonline ↗ Dictionary.com ↗ Want another word?Spin the dictionary for a fresh one. Generate a word →