Breadcrumb Home > Dictionary > Index C Centennial State: Meaning and Definition of Find definitions for: Centen'nial State" Pronunciation: [key] Colorado (used as a nickname). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. centennial center ✖ Related Content Daily Word Quiz: tendentious Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language