consenting opinion; supportive view
A formal or written expression of agreement, often used in meetings, debates, or official contexts.
Consenting opinions were in the majority at the meeting.
He expressed a supportive view on the proposal.
Opposing opinion; the direct antonym of 賛成意見.
Agreement or approval; a more general term, while 賛成意見 specifically refers to the expressed opinion.
Compound of 賛成 (さんせい, 'agreement') and 意見 (いけん, 'opinion').