/ Dictionary / Index H hilly: Meaning and Definition of Find definitions for: hill•y Pronunciation: (hil'ē), [key] — hill•i•er, hill•i•est. full of hills; having many hills; hilly country. resembling a hill; elevated; steep. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: hilly (Thesaurus) hilltop Hillyer Related Content Daily Word Quiz: serendipity Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language