# Sealed Method

An overridden method that further derived classes cannot override again.

## What is **Sealed Method** in C#?

**Sealed Method** — An overridden method that further derived classes cannot override again.

```csharp
class Alert
{
    public virtual string Text()
    {
        return "Alert";
    }
}

class EmailAlert : Alert
{
    public sealed override string Text()
    {
        return "Email";
    }
}
```

Level: Journeyman · [More C# terms at this level](https://www.ask-codey.com/glossary/subjects/c-sharp/journeyman)

Updated: September 27, 2026

Source: https://www.ask-codey.com/glossary/sealed-method