Last Updated：2025/11/21

(idiomatic) To make an irreversible decision or to take an action with consequences.

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cross the Rubicon

Source Word

cross the Rubicon

Verb

idiomatic

(idiomatic) To make an irreversible decision or to take an action with consequences.

Japanese Meaning

不可逆的な決断を下す、または取り返しのつかない行動をとること

When the CEO decided to cross the Rubicon by selling the company, investors were stunned.

最高経営責任者が会社を売却するという取り返しのつかない決断を下したとき、投資家たちは驚いた。

Sense（1）

(idiomatic) To make an irreversible decision or to take an action with consequences.

crosses the Rubicon

（ present singular third-person ）

crossing the Rubicon

（ participle present ）

crossed the Rubicon

（ participle past ）

crossed the Rubicon

（ past ）