一網打尽(いちもうだじん)

いちもうだじん
noun
catching all at once; sweeping roundup
idiom
1. catching all at once; sweeping roundup; rounding up everyone
Capturing or dealing with all members of a group in a single sweep. Originally from a Chinese idiom meaning to catch all fish in one cast of the net. Often used for police raids or decisive actions that eliminate an entire group at once.
犯人(はんにん)を一網打尽(いちもうだじん)にする。
To round up all the criminals at once.
警察(けいさつ)は詐欺(さぎ)グループを一網打尽(いちもうだじん)にした。
The police rounded up the entire fraud ring.
長年(ながねん)の捜査(そうさ)の末(すえ)、密輸(みつゆ)組織(そしき)を一網打尽(いちもうだじん)にすることに成功(せいこう)した。
After years of investigation, they succeeded in rounding up the entire smuggling organization.

Four-character compound (yojijukugo): 一(いち) (one) + 網(もう) (net) + 打(だ) (strike) + 尽(じん) (exhaust, all). Literally "to exhaust with one cast of the net." From a Chinese historical anecdote.

Usage

Almost always used with にする in the pattern ～を一網打尽(いちもうだじん)にする. Most commonly used in crime and law enforcement contexts.

Common collocations

general
Added 2026.3.13 8:55 · Revised 2026.9.2 13:01
16000/16460_ichimoudajin