Similar word to bad-natured:
bad-natured, baleful, catty, despiteful, dirty, evil, evil-minded, hellish, hostile, lousy, malicious, malign, malignant, murder, murderous, pernicious, poison, rancorous, rough, sinister, spiteful, tough, vengeful, vicious, vindictive, waspish, wicked
bad-natured, baleful, catty, despiteful, dirty, evil, evil-minded, hellish, hostile, lousy, malicious, malign, malignant, murder, murderous, pernicious, poison, rancorous, rough, sinister, spiteful, tough, vengeful, vicious, vindictive, waspish, wicked