One dictionary is not enough, try Any dictionaries
A simple add-on for you to look up word on multiple online dictionary websites at the same time.
Just select a English word and one click to look it up.
* Utilize online dictionaries and search engines(Cambridge, Dictionary.com, Oxford, Google Images), you can decide which dictionaries to include
* Look up multiple dictionaries at the same time
* Fast Access Look up Button (Select-and-Click)
* Look-up History for you to do revision later
* press Ctrl-Q to open pop-up window