On end Meaning and Definition

The phrase "on end" is an idiom that means continuously or for an extended period without interruption. It is often used to describe an action or state that is prolonged without a break.

For example, if someone says, "She worked on the project for hours on end," it means she worked continuously for an extended and uninterrupted period of time. Similarly, "It rained for days on end" implies that the rain persisted without a break for several days.

In this context, "on end" emphasizes the duration or continuity of the action or condition.