Lookup Definitions for Words in Microsoft Edge in Windows 10

Microsoft Edge is the default web browser app in Windows 10. It's a Universal (UWP) app which has extension support, a fast rendering engine and a simplified user interface. Starting with Windows 10 build 17713, the browser allows the user to look up definitions for selected words in Reading View, Books, and PDFs thanks to the new dictionary function added to it.

Microsoft Edge comes with Reader mode, which might be familiar to Firefox and Vivaldi users. When enabled, it strips out unnecessary elements from the opened web page, reflows the text and turns it into a cleaner looking text document without ads, menus and scripts, so the user can focus on reading the text content. Edge also renders the text on the page with a new font and formatting in Reader mode.

With Reading View, Microsoft Edge provides a new, consistent, more powerful experience across all your documents, whether they’re EPUB or PDF books, documents, or web pages. The feature utilizes Fluent Design System elements like motion and Acrylic material to provide a fluid, delightful experience that keeps the focus on the page.

To lookup definitions for words in Microsoft Edge in Windows 10, do the following.

  1. Open the desired web site in Microsoft Edge.
  2. Enable the Reading View feature.
  3. Select (highlight) the word you want to lookup its definition.Microsoft Edge Lookup Definitions
  4. You will now see the definition popup next to your selection.
  5. Can click on the speaker icon to make Edge read aloud the selected word.Microsoft Edge Lookup Definition Speaker Icon
  6. The more link opens a flyout with extra details for the definition of the selected word.Microsoft Edge Lookup Definition More Details Flyout

Note: You can toggle whether definitions appear and which types of content they work in under the “General” tab of the Microsoft Edge settings menu.

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2 thoughts on “Lookup Definitions for Words in Microsoft Edge in Windows 10

  1. shashank

    it just highlights the text in reader mode. can you explain how you made it work.
    thank you

    1. Sergey Tkachenko Post author

      Ensure that you are running the latest Insider build.


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