1) Bad 2) Bitchy 3) Black-hearted 4) Cattish 5) Catty 6) Evil 7) Hateful 8) Malefic 9) Maleficent 10) Malign 11) Menacing 12) Spiteful 13) Unkind 14) Venomed 1) Beady-eyed 2) Bitchy 3) Cattish 4) Catty 5) French word used in English 6) Hateful 7) Ill-intentioned 8) Maleficent 9) Malicious 10) Malign 11) Meaning harm 12) Poisonous 13) Spiteful 14) Venomed 15) Venomous 16) Vicious 17) Wishing evil to others 
• (a.) Wishing evil; disposed to injure others; rejoicing in another`s misfortune.
Ma·lev'o·lent adjective [ Latin malevolens , -entis ; male ill + volens , present participle of velle to be willing or disposed, to wish. See Malice , and Voluntary .] Wishing evil; disposed to injure others; rejoicing in another's misfortune. Sy...
[adj] - extremely malevolent or malicious 2. [adj] - wishing or appearing to wish evil to others
malevolent 1. Desirous of evil to others; entertaining, actuated by, or indicative of ill-will; disposed or addicted to ill-will. 2. A person of evil wishes or designs; an evil influence.
adjective wishing or appearing to wish evil to others; arising from intense ill will or hatred; `a gossipy malevolent old woman`; `failure made him malevolent toward those who were successful`
[ASVAB glossary] wishing or appearing to wish evil to others[SAT terms] wishing or appearing to wish evil to others wishing or appearing to wish evil to others having or exerting a malignant influence[Intelligent words] having or exerting a malignant influence