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Is the word "boycott" used correctly here?

1. "In whatever situation, don't boycott your classmates."

2. "Boycott is not allowed at school."

3. "Boycotting behaviour is not allowed."

THANK YOU!
Comments  
None of them really makes sense in a school situation.

1. to combine in abstaining from, or preventing dealings with, as a means of intimidation or coercion: to boycott a store.


2. to abstain from buying or using: to boycott foreign products

In any case, you would boycott some school activity or event, not the other students themselves.
Mister Micawber, thanks! Now, I know the usage of the word "boycott".

Could you tell me what's the other word that is right for expressing the meaning of my above sentences?
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1. "In whatever situation, don't boycott your classmates."
2. "Boycott is not allowed at school."
3. "Boycotting behaviour is not allowed."

The trouble is, I really don't know what kind of action you are talking about here, Miyabi. Could you explain more?

The action like, most of the people in a group don't talk, don't play with that person. So, what's the word for this? and how do I say this?
Ah. That person is ostracized or blackballed.
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Mister Micawberostracized
I like this one. I also like shunned, though it's out of fashion now.

And then, if you want a British expression, there's always "to send to Coventry".

http://www.worldwidewords.org/qa/qa-cov1.htm

CJ
Thanks a lot, CJ.
Many thanks, M Micawber!
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