WordWeb can look up words in Internet Explorer and FireFox without installing an extension. In the Chrome, new Edge and Opera browsers you need to install an extension to make word look up reliable. The extension also allows you to use Replace functionality in web form edit boxes.
Installing the extension is easy using the links below:
After installing you need to re-start your browser or reload web pages before Ctrl+Right Click will work. You can also use the WordWeb extension icon in the browser's toolbar. Also make sure you are running WordWeb or WordWeb Pro 8.1 or higher.