To give the cold shoulder is a form of body language when a person is ignoring you.
To behave towards someone in a way that is not friendly, sometimes for reasons not understood.
To show no interest in someone or something.
1. I have no idea why Julia keeps giving me the cold shoulder at work.
2. The new proposed government bill was given the cold shoulder by the mayor.
3. Please tell me what I did wrong instead of giving me the cold shoulder.
4. Ever since I screwed up during the meeting, my boss has been giving me the cold shoulder.
aloofness, brush-off, coldness, dismissal, disregard, iciness, negative, nonacceptance, rejecting, rejection