- full of, characterized by, or showing malice; intentionally harmful; spiteful: malicious gossip.
- Law. vicious, wanton, or mischievous in motivation or purpose.
Origin of malicious
- characterized by malice
- motivated by wrongful, vicious, or mischievous purposes
Word Origin and History for maliciously
early 13c., from Old French malicios "showing ill will, spiteful, wicked" (Modern French malicieux), from Latin malitiosus "wicked, malicious," from malitia "badness, ill will, spite," from malus "bad" (see mal-). In legal use (early 14c., Anglo-French), it means "characterized by malice prepense."