Definitions
1.verbTo have an unfortunate accident of some kind; to be killed, or come to harm.
2.verbTo go astray; to do something wrong.
3.verbTo have a miscarriage; to abort a foetus, usually without intent to do so.
4.verbTo fail to achieve some purpose; to be unsuccessful, to go wrong (of a business, project etc.).
5.verbOf a letter etc.: to fail to reach its intended recipient.