たいけつ対決taiketsu
1.

The act of bringing two opposing parties together to determine a clear resolution or outcome, often in a competitive context.

2.

A direct engagement or clash between two adversaries, where strength, validity, or correctness is assessed.

3.

The process of facing challenges or difficulties head-on, especially in a manner that seeks to resolve or confront issues rather than avoiding them.

4.

A significant encounter or duel between rivals, typically associated with high stakes or intense rivalry.

Example:

経営側と労働者側との対決があるでしょう。

ぜんめんたいけつ全面対決zenmentaiketsu
1.

A scenario where two opposing sides engage directly and fully, leaving no room for retreat or compromise.

2.

A situation characterized by a complete and direct clash, often involving intense competition or opposition between parties.

3.

An encounter marked by an unequivocal and open engagement, where all resources and strategies are employed to confront an adversary head-on.