NOTEVEN
not even
Adverb
- Not even I knew that.
 - You didn't even look at me.
 
Interjection
- Used to express strong disappointment or disapproval.
- I heard they wanted to cancel the show tonight.
 - Not even!
 
 
The above text is a snippet from Wiktionary: not even
and as such is available under the Creative Commons Attribution/Share-Alike License.