mis‧car‧ry past tense and past participle miscarried, present participle miscarrying, third person singular miscarries
1MB [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