/ Dictionary / Index D Decembrist: Meaning and Definition of Find definitions for: De•cem•brist Pronunciation: (di-sem'brist), [key] — n. Russ. Hist. a participant in the conspiracy and insurrection against Nicholas I on his accession in December, 1825. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. December decemvir Related Content Daily Word Quiz: eureka Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language