1. to have a miscarriage; to lose a baby before it is born naturally
Usage: medical
2. to fail to achieve the intended result; to go wrong
Usage: formal

Examples

• She miscarries in the first trimester.
• The doctor explained why some pregnancies miscarry.
• Their carefully planned strategy miscarries due to poor timing.
• The experiment miscarries when the equipment malfunctions.
• Justice miscarries when innocent people are convicted.
• The rescue mission miscarries because of bad weather.