- The definition of malicious is showing spite or intentionally wanting to cause harm to someone.
An example of malicious is the sticking of a sharp object in the road so that a car's tires are destroyed.
Origin: Middle English from Old French malicios from Classical Latin malitiosus from malitia: see malice
Used by arrangement with John Wiley & Sons, Inc.
- ma·liˈcious·ly adverb
- ma·liˈcious·ness noun