/ Dictionary / Index R ratty: Meaning and Definition of Find definitions for: rat•ty Pronunciation: (rat'ē), [key] — -ti•er, -ti•est. full of rats. of or characteristic of a rat. wretched; shabby: a ratty, old overcoat. irritable or angry; bad-tempered; nasty: I always feel ratty when I wake up. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: ratty (Thesaurus) rattrap Rau 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