noun
whole party to a plot; whole gang; fellow conspirators
A yojijukugo referring to all members of a conspiracy or criminal gang. Often used in contexts of collusion or illegal schemes.
一味徒党が集まって悪事を企てた。
The whole gang gathered and plotted a crime.
警察は一味徒党を一網打尽にした。
The police rounded up the entire ring of conspirators.
A yojijukugo composed of 一味 (one group, gang) and 徒党 (faction, clique). The combination reinforces the idea of a complete group of conspirators.