Miscarry (verb)

1. To lose a pregnancy due to natural causes before the fetus is able to survive outside the womb.
2. To have a failure in a plan, project or enterprise.

Origin:

From the old english words mis and carrian, meaning to carry wrongly or to fail to carry successfully.

Examples:

1. She miscarried her first pregnancy, but later had a healthy baby.
2. We were devastated when we found out that the pregnancy had miscarried.
3. The plan miscarried due to a lack of proper coordination and communication.
4. Unfortunately, the merger miscarried due to legal and financial issues.
5. The negotiations miscarried when the parties were unable to reach an agreement.