For practical purposes; in effect though not officially.

• Nearly complete; almost.

Conducted or existing online or by computer rather than physically.

• Remote or digital in place of in-person.

Computer-generated; simulated rather than real.

• Existing only as a simulation or digital model.

In OOP, declared to allow overriding in subclasses.

Physics: short-lived, unobservable intermediary (e.g., virtual particle).

• Optics: image from which rays only appear to diverge.