/ Dictionary / Index R runty: Meaning and Definition of Find definitions for: runt•y Pronunciation: (run'tē), [key] — runt•i•er, runt•i•est. stunted; dwarfish: The runty puppy seems the most playful of the litter. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: runty (Thesaurus) run-through runup Related Content Daily Word Quiz: placid Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language