1. A small booklet or brochure containing information or arguments about a single subject
The candidate distributed pamphlets about his political platform.
O candidato distribuiu panfletos sobre sua plataforma política.
2. A short piece of writing or composition published separately, often controversial or political in nature
She wrote a pamphlet criticizing the government's environmental policies.
Ela escreveu um panfleto criticando as políticas ambientais do governo.