What is the meaning of Miscarry?

To have an unfortunate accident of some kind; to be killed, or come to harm.

To go astray; to do something wrong.

To have a miscarriage; to involuntarily abort a foetus.

To fail to achieve some purpose; to be unsuccessful, to go wrong (of a business, project etc.).

Of a letter etc.: to fail to reach its intended recipient.

Source: wiktionary.org