either
adverb
after a negative statement used as an intensive meaning something like `likewise' or `also'
“he isn't stupid, but he isn't exactly a genius either”
“I don't know either”
Source: WordNet 3.1, Princeton University
Either meaning
What does “either” mean? Definitions, examples, synonyms and opposites.
“either” is an adverb with one meaning. Its most common meaning is: after a negative statement used as an intensive meaning something like `likewise' or `also'.