/ Dictionary / Index M malicious mischief: Meaning and Definition of Find definitions for: mali'cious mis'chief Pronunciation: [key] willful destruction of personal property motivated by ill will or resentment toward its owner or possessor. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. malicious malign Related Content Daily Word Quiz: abstain Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language