Instantly Look Up Words Without Leaving Your Page!Simply highlight a word and get its definition instantly—without switching tabs or disrupting your workflow.
Key Features:- Quick and easy word lookup while staying on the same page
- Choose from multiple Cambridge Dictionary options
- Seamless and lightweight design for effortless use
- Manual look-up option
How to Use?1.
Manual Look-up: Open the add-on pop-up and enter a word to look it up
2.
Highlight: Highlight a word and open the add-on pop-up to look it up
3.
Right-Click: Highlight a word, then right-click to look it up
Other add-ons you may find useful:-
Captionary-
Prompt Pocket 
https://github.com/fkolcu/cambridge-dictionary-ffextension