malicious

[ muh-lish-uh s ]
/ məˈlɪʃ əs /

adjective

full of, characterized by, or showing malice; intentionally harmful; spiteful: malicious gossip.
Law. vicious, wanton, or mischievous in motivation or purpose.

Origin of malicious

1175–1225; Middle English malicius < Old French < Latin malitiōsus. See malice, -ous

OTHER WORDS FROM malicious

British Dictionary definitions for maliciousness

malicious
/ (məˈlɪʃəs) /

adjective

characterized by malice
motivated by wrongful, vicious, or mischievous purposes

Derived forms of malicious

maliciously, adverb maliciousness, noun