Word Origin 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
-ous Related forms ma·li·cious·ly, adverb ma·li·cious·ness, noun non·ma·li·cious, adjective non·ma·li·cious·ly, adverb non·ma·li·cious·ness, noun sem·i·ma·li·cious, adjective sem·i·ma·li·cious·ly, adverb sem·i·ma·li·cious·ness, noun un·ma·li·cious, adjective un·ma·li·cious·ly, adverb
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for non-malicious characterized by malice motivated by wrongful, vicious, or mischievous purposes Derived Forms maliciously, adverb maliciousness, noun
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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Word Origin and History for non-malicious malicious adj.
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."
Online Etymology Dictionary, © 2010 Douglas Harper