We found one dictionary that defines the word declare war on:

Miscellaneous (1 matching dictionary)

1. declare war on: Idioms

▸ Words similar to declare war on ▸ Usage examples for declare war on ▸ Idioms related to declare war on ▸ Wikipedia articles (New!) ▸ Words that often appear near declare war on ▸ Rhymes of declare war on ▸ Invented words related to declare war on