The official extension from the people at Dictionary.com, the most popular and trusted online dictionary and thesaurus, to look up word definitions and synonyms anywhere you go with Firefox via a simple pop-up.
Here is a little more information about the Dictionary Pop-up add-on:
- Click on a word while surfing the web to see Dictionary.com’s definition in a small pop-up
- Customize your dictionary popup to your liking – no other dictionary does this
- Choose a specialized definition for science and medical terms – all from definitive sources
- Sign for our popular Word of the Day email to help you boost your vocabulary
Want to pick up this add-on? You can find it on the Firefox Add-ons website.