“until”

Up to the time of (something happening); pending.

An uncertain duration of time, a period of time.

To delay movement or action until some event or time; to remain neglected or in readiness.

Near the end of a period of time.

The amount of time that some being has been alive, or that some thing has been in existence, as measured from its birth or origin until the present or until some other given reference point. (Often measured in number of years; alternatively in months, days, hours, etc.; see also the usage notes)

A very young human, particularly from birth to a couple of years old or until walking is fully mastered.

To suffer a series of deaths; to die one by one; to progressively become extinct. (If a group of plants, animals, or people dies off, the entire group dies over a period of time.)