---
title: isRadical
framework: swift
role: symbol
role_heading: Instance Property
path: swift/unicode/scalar/properties-swift.struct/isradical
---

# isRadical

A Boolean value indicating whether the scalar is a radical component of CJK characters, Tangut characters, or Yi syllables.

## Declaration

```swift
var isRadical: Bool { get }
```

## Discussion

Discussion These scalars are often the components of ideographic description sequences, as defined by the isIDSBinaryOperator and isIDSTrinaryOperator properties. This property corresponds to the “Radical” property in the Unicode Standard.