Definitions
1.NounA road that passes around something, such as a residential area or business district.
2.NounA replacement road for obsolete road that is no longer in use because devastating natural disasters (earthquakes, tsunamis, landslides).
3.NounThe act of going past or around.
4.NounA section of pipe that conducts a fluid around some other fixture.
5.NounAn electrical shunt.
6.NounAn alternative passage created to divert a bodily fluid around a damaged organ; the surgical procedure to construct such a bypass.
7.VerbTo avoid an obstacle etc, by constructing or using a bypass.
8.VerbTo ignore the usual channels or procedures.