mis ‧ car ‧ ry /mɪsˈkæri/ BrE AmE verb ( past tense and past participle miscarried , present participle miscarrying , third person singular miscarries )
1 . [intransitive and transitive] to give birth to a baby before it is properly formed and able to live ⇨ abort :
She miscarried when she was 10 weeks pregnant.
Many babies with serious disabilities are miscarried.
2 . [intransitive] formal if a plan miscarries, it is not successful