declare war
[/dɪˈklɛr wɔr/]
verb phrase
🇧🇷 declarar guerra
1. To formally announce that a state of war exists between nations or groups; to officially initiate armed conflict
The government declared war on the neighboring country after the border attack.
O governo declarou guerra ao país vizinho após o ataque à fronteira.
2. To publicly announce an intention to fight against something or someone; to begin a vigorous campaign
The mayor declared war on crime in the city.
O prefeito declarou guerra ao crime na cidade.
💡 In both American and Brazilian contexts, 'declare war' is used literally in diplomatic/military situations and figuratively in political rhetoric. Politicians frequently use this phrase metaphorically when announcing campaigns against social issues. In formal governmental contexts, a declaration of war typically requires legislative approval and is a significant constitutional act.
🗽 NYC Slang
go to war (informal); beef up (when referring to starting conflict figuratively)
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