/ 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: careening Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language