The high-pitched sound of a small object moving rapidly through air. / (informal) Energy; vigor; vim. / (Britain, New Zealand) A zip fastener. / (slang) Zero; nothing. / A trip on a zipline.

Someone or something which times. / A device used to measure amounts of time. / Any electronic function that causes a device to be able to do something automatically after a preset amount of time.

A sudden drop to a lower status, condition or level; a disappointment or letdown. / A calm, mellow period experienced after the initial high from taking drugs.

An elder, priest, pastor, or minister in various Christian churches. / An elder of the Presbyterian church. / An elder of the congregation in early Christianity.