WWordGenerator.org GeneratorsWord ListsBlogAboutGenerate a word Home / M / mental retardation mental retardation noun /mɛntəlritɑrdeɪʃən/ 18 letters Scrabble 20 WWF 24 Definitions noun lack of normal development of intellectual capacities backwardnessretardationslownesssubnormality Look “mental retardation” up elsewhere Wiktionary ↗ Merriam-Webster ↗ Etymonline ↗ Dictionary.com ↗ Want another word?Spin the dictionary for a fresh one. Generate a word →