noun
united opposition front
Political term referring to cooperation among opposition parties, often in elections or legislative battles.
次の選挙では野党共闘が実現するかもしれない。
A united opposition front may be realized in the next election.
野党共闘によって与党に対抗する。
They oppose the ruling party through a united opposition front.
Compound of 野党 (opposition party) and 共闘 (joint struggle). The term became common in Japanese political discourse in the 2010s.