noun, noun or participle which takes 'suru'
unanimous; speaking with one voice
A yojijukugo meaning that everyone's opinion is the same; often used in formal or written contexts.
See also: 衆口
その提案は衆口一致で可決された。
The proposal was passed unanimously.
委員会は衆口一致して新方針を支持した。
The committee unanimously supported the new policy.