jednogłośnie in English:

Newspaper staff tried both dishes and unanimously declared Andrew’s to be the winner.

The jury unanimously found him guilty.

Also, decisions must be taken unanimously for all major issues.

His foolish proposal was approved unanimously.

Somehow, a nearly bankrupt third-party publisher flashed the new Castlevania game onto the memory incompletely. As a result, an entire generation of kids in Macon, Georgia unanimously condemned it as "Simon Does Nothing but Fall into a Bottomless Pit."