• amicable, benevolent, benign, benignant, friendly, good-natured, gracious, kindly, mild, propitious, well-intentioned
• benignly, graciously, propitiously
• bitchy, censorious, envious, ferine, hostile, ill-disposed, malevolent, malicious, malign, malignant, spiteful, unkind, vicious, virulent
• contrariously, contrariwise, maliciously, sullenly, unkindly, viciously
• malignancy, malignity, sullenness
• malignant growth, morbid growth