WWordGenerator.org GeneratorsWord ListsBlogAboutGenerate a word Home / O / observational observational adjective 13 letters Scrabble 18 WWF 22 Definitions adjective relying on observation or experiment data-basedexperimental Look “observational” up elsewhere Wiktionary ↗ Merriam-Webster ↗ Etymonline ↗ Dictionary.com ↗ Want another word?Spin the dictionary for a fresh one. Generate a word →