1. not even - Adverb
2. not even - Interjection
not even (not comparable)
Introduces or constitutes a more emphatic negation or exclusion than "not".
Not even I knew that.
You didn't even look at me.
not even
(colloquial) Used to express strong disappointment or disapproval.
I heard they wanted to cancel the show tonight. –Not even!
Nothing is permanent in this wicked world - not even our troubles. Charlie Chaplin
The bond between friends cannot be broken by chance; no interval of time or space can destroy it. Not even death itself can part true friends. John Cassian
Whatever you may do for your brother, being hungry, and a stranger, and naked, not even the devil will be able to despoil, but it will be laid up in an inviolabe treasure. John Chrysostom
Never strike your wife, not even with a flower. Hindi Proverb
Not even hercules could contend against two. Italian Proverb
Not even an angel can fulfill two missions at once. Irish Proverb