防 衛 線(ぼうえいせん)

ぼうえいせん

noun

defensive line; line of defense

1. defensive line; line of defense

A line or position established for defense against attack. Used literally in military contexts and figuratively for any last stand or boundary one tries to protect.

防衛線(ぼうえいせん)を築(きず)く。

To build a defensive line.

最後(さいご)の防衛線(ぼうえいせん)が突破(とっぱ)された。

The last line of defense was breached.

価格(かかく)競争(きょうそう)で利益(りえき)の防衛線(ぼうえいせん)を守(まも)るのが難(むずか)しくなっている。

It has become difficult to hold the line on profit margins amid price competition.

A compound of 防衛(ぼうえい) (defense) and 線(せん) (line). Used both literally for military defense positions and figuratively for any boundary or standard one tries to maintain.

Common collocations

防衛線(ぼうえいせん)を張(は)る: to set up a defensive line
防衛線(ぼうえいせん)を突破(とっぱ)する: to break through a defensive line
防衛線(ぼうえいせん)を守(まも)る: to hold a defensive line
最終(さいしゅう)防衛線(ぼうえいせん): last line of defense

Similar words

防御(ぼうぎょ)ライン: defense line — uses the loanword ライン
前線(ぜんせん): front line — the forward-most position, not necessarily defensive

Related Words

Compare: 前線(ぜんせん) (front line)

Compare: 防御線(ぼうぎょせん) (line of defense)

general

Added 2026.4.4 7:10 · Revised 2026.9.2 13:02

21500/21935_boueisen