Last Updated：2025/11/20

Armed for battle; prepared for or engaged in warfare. / (figuratively) Angry; incensed; preparing for a fight.

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up in arms

Source Word

up in arms

not-comparable figuratively

Armed for battle; prepared for or engaged in warfare. / (figuratively) Angry; incensed; preparing for a fight.

Japanese Meaning

戦闘態勢にある、または戦闘準備が整っている状態 / 激怒している、怒りのために反抗的な態勢になっている状態

The border sentries were up in arms at dawn, fully prepared to repel any attackers.

国境の守衛たちは夜明けに戦闘のために武装し、侵入者を撃退するために万全の準備をしていた。

Sense（1）

Armed for battle; prepared for or engaged in warfare.

March on, march on, since we are up in arms;

If not to fight with foreign enemies,

Yet to beat down these rebels here at home.

Sense（2）

(figuratively) Angry; incensed; preparing for a fight.

The union members are up in arms over threats of pay cuts.