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either3
1 [in negatives] used to show that a negative statement is also true about another thing or person, or to add a different negative statement about something or someone [↪ neither]:
I haven't seen the movie and my brother hasn't either (=he also has not seen it).
'I can't swim.' 'I can't, either.'
It's not an easy car to drive , and at $40,000 it's not cheap either.
I haven't seen the movie and my brother hasn't either (=he also has not seen it).
'I can't swim.' 'I can't, either.'
It's not an easy car to drive , and at $40,000 it's not cheap either.2 used to say that a negative statement is also true about you :
'I don't have any money right now.' 'Me either.'
me either
American English spokenXX
'I don't have any money right now.' 'Me either.'WORD CHOICE: 
also, too, as well, eitheralso, too and as well can be used in many of the same contexts • She's a valued colleague, and a great friend too OR and a great friend as well OR and also a great friend.also is the most formal and the most likely to be used in formal writing such as reports.as well is the most informal and the most likely to be used in speech.!! too is never used at the beginning of a clause. Also is not usually used at the end of a clause • Smoking makes you ill. It costs a lot too/as well OR It's also expensive OR Also, it's expensive.Use either when you are adding another negative fact • Our first attempt didn't work, and our second didn't either (NOT also didn't). ➔ See also also

also, too, as well, eitheralso, too and as well can be used in many of the same contexts • She's a valued colleague, and a great friend too OR and a great friend as well OR and also a great friend.also is the most formal and the most likely to be used in formal writing such as reports.as well is the most informal and the most likely to be used in speech.!! too is never used at the beginning of a clause. Also is not usually used at the end of a clause • Smoking makes you ill. It costs a lot too/as well OR It's also expensive OR Also, it's expensive.Use either when you are adding another negative fact • Our first attempt didn't work, and our second didn't either (NOT also didn't). ➔ See also also
