Politics

Estou de regime!
The word regime can mean what it looks like, regime.
Nós somos contra a mudança de regime.
We are against regime change.​
But most of the time, regime means diet. Use the expression estar de regime to say that you are on a diet.
Não vou comer, estou de regime.
​I am not going to eat, I am on a diet.
​​Você está de regime?
Are you on a diet?​
O presidente é presidencial!
Use presidente to talk about the president, and presidencial to talk about anything that is presidential.
Ele foi o primeiro presidente.
​He was the first president.​​
Eles trabalham na campanha presidencial.
They work on the presidential campaign.​
Here are other related word pairs you can use to talk about politics.
nounadjective
presidentepresidencial
estadoestatal
prefeitomunicipal
democraciademocrático
Eles lutam em defesa da democracia.
They fight for democracy.​​ (Literal: They fight in defense of democracy.)
O processo neste país é democrático.
The process in this country is democratic.​