宣戦

This is the 8087th most frequent Japanese word.


宣戦

"宣戦" means "declaration of war."


In this sentence, '宣戦' is used to refer to the formal announcement of war by a country.

国は宣戦布告を行った。

The country declared war.


Here, '宣戦' is presented as an action (declaring war), emphasizing the decision-making process involved.

宣戦することは慎重に検討する必要がある。

Declaring war needs careful consideration.


In this context, '宣戦' is used metaphorically to describe aggressive actions that are tantamount to a declaration of war.

彼らの行動は事実上の宣戦だった。

Their actions were effectively a declaration of war.