/ Dictionary / Index G Grundy: Meaning and Definition of Find definitions for: Grun•dy Pronunciation: (grun'dē), [key] 1777–1840, American politician: senator 1829–38, 1839–40; attorney general 1838–39. Grun•dy Pronunciation: (grun'dē), [key] a narrow-minded, conventional person who is extremely critical of any breach of propriety. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. grumpy Grundyism Related Content Daily Word Quiz: secular Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language