toggle

Imagine an old-fashioned light switch: you move it one way to turn the lights on and the other way to turn them off. That is the basic idea. To toggle means to switch between two states or choices. It is often used for buttons, settings, apps, and screens. You might toggle Wi-Fi on and off, toggle between two tabs, or toggle a setting from hidden to visible. Think of it as a simple back-and-forth move.

The word began as the name of a small fastener, but today it is used most often in technology and everyday actions. A programmer may talk about "toggling a flag," which means changing a value between true and false. In daily life, the word usually suggests moving between one state and the other, rather than making a full or permanent change.

To toggle something means to switch it between states such as on and off, open and closed, visible and hidden, or active and inactive. The idea is usually that the same control, command, or action moves something from one state to the other. For example, you can toggle dark mode on your phone, toggle subtitles in a video player, or toggle between two open windows on a computer.

Originally, "toggle" was a noun for a kind of fastener, often a short piece pushed through a loop to hold something in place. That older physical sense helps explain the modern verb: one motion changes the position, and another motion changes it back. This is why the word feels natural for switches, buttons, and software controls.

Today, the word is especially common in technology. People toggle settings on phones, toggle the microphone during a call, toggle the visibility of layers in design software, and toggle between tabs or apps. In technical writing, it can also mean changing a value from one condition to the opposite one, especially in computing.

Most often, toggle refers to two opposite states, but in some contexts it can also mean moving through a small set of options one after another. Even then, the core idea stays the same: a repeated action that changes the current state. So whether you are pressing a button, using a keyboard shortcut, or changing a software setting, toggle describes that back-and-forth switch clearly and naturally.