This is the 550th most frequent Portuguese word.
militar
"Militar" in Portuguese means "military" or "relating to the armed forces."
In this sentence, 'militares' is used as an adjective to describe the purposes (fins) related to the military.
O governo anunciou um orçamento maior para fins militares.
The government announced a larger budget for military purposes.
In this sentence, 'militar' is used as a noun to refer to an individual serving in the military.
Ela decidiu seguir carreira como militar.
She decided to pursue a career as a military officer.
In this sentence, 'militar' is a verb meaning to actively advocate or campaign for something, especially ideologically or politically.