Soundness of mind

What is a sentence for cruel?

He was cruel and heartless in his treatment of others.

How do you use the word cruelly in a sentence?

She cruelly laughed at his mistake, causing him to feel embarrassed and ashamed.

What is the use of cruel?

Cruel is an open source tool for automating UI testing of your web applications. It allows you to write tests in JavaScript that will execute in a browser, simulating user interactions. Cruel can be used to test a variety of web-based applications, such as single page apps, e-commerce sites, and more. It can also be used to automate common UI tasks, such as filling out forms, clicking buttons, and navigating between pages.