# declaration of war

> English word · Noun

## Definitions
1. A formal announcement by a country or other body with military capability that it is in a state of war with another such entity.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/declaration-of-war