WWordGenerator.org GeneratorsWord ListsBlogAboutGenerate a word Home / M / mental deficiency mental deficiency noun /mɛntəldɪfɪʃənsi/ 5 syllables 17 letters Scrabble 29 WWF 34 Definitions noun mild mental retardation moronity Look “mental deficiency” up elsewhere Wiktionary ↗ Merriam-Webster ↗ Etymonline ↗ Dictionary.com ↗ Want another word?Spin the dictionary for a fresh one. Generate a word →