Fetching details from the dictionary...
dissenting opinion; opposite viewpoint; contraview
先生は生徒に反対意見も出すように促した。
The teacher encouraged students to express dissenting opinions as well.
委員会で反対意見が述べられた。
A dissenting opinion was voiced at the committee meeting.
その政策には反対意見が多い。
There are many dissenting opinions regarding that policy.