1. a woman or girl with a fierce, violent, or uncontrollable temperament
Usage: informal; often derogatory
2. a female demon or witch, especially in folklore or mythology
Usage: archaic; literary

Examples

• She had a reputation as a hellcat who wouldn't tolerate any disrespect.
• The hellcat of a woman stormed into the office demanding answers.
• In the old stories, the hellcat was said to haunt the forest at night.
• He married a hellcat, but they somehow made it work.
• The character was portrayed as a hellcat with a sharp tongue and sharper wit.