He unwelcomely barged into the meeting, interrupting the presenter.

The conference hall felt unwelcoming to newcomers because the staff avoided eye contact and the layout was confusing.

He arrived feeling unwelcomed at the reunion after years of silence.

Her unwelcomeness at the reunion was obvious when conversations fell silent and chairs were left empty.

The new manager unwelcomes any suggestions that don't align with her plan.

His unwelcome remarks ruined the mood at the meeting.

The committee members unwelcome newcomers who don't follow the rules.