/ Dictionary / Index - -cidal: Meaning and Definition of Find definitions for: -cidal Pronunciation: [key] a combination ofand found on adjectives that correspond to nouns ending inhomicidal. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Cid -cide Related Content Daily Word Quiz: garrulous Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language