SUBNORMALITY Scrabble 19 Words With Friends 23 Definition noun the state of being less than normal (especially with respect to intelligence). noun lack of normal development of intellectual capacities. — synonyms: retardation, mental_retardation, backwardness, slowness See all 1558 words you can make from SUBNORMALITY → 12-letter words Words starting with S Words ending with Y ← Unscramble different letters