/ ˌmɪsˈkæri; NAmE / verb ( mis·car·ries , mis·carry·ing , mis·car·ried , mis·car·ried )
1.
to give birth to a baby before it is fully developed and able to live :
[ v ]
The shock caused her to miscarry.
[also vn ]
2.
[ v ] ( formal ) ( of a plan ) to fail
SYN come to nothing