WWordGenerator.org GeneratorsWord ListsBlogAboutGenerate a word Home / S / synapsid reptile synapsid reptile noun 16 letters Scrabble 23 WWF 26 Definitions noun extinct reptile having a single pair of lateral temporal openings in the skull synapsid Look “synapsid reptile” up elsewhere Wiktionary ↗ Merriam-Webster ↗ Etymonline ↗ Dictionary.com ↗ Want another word?Spin the dictionary for a fresh one. Generate a word →