This is the 12844th most frequent Portuguese word.
visíveis
Visible; able to be seen.
Here 'visíveis' is used as an adjective to describe 'resultados,' indicating a quality of being able to be seen or evident.
Os resultados da pesquisa foram visíveis para todos.
The research results were visible to everyone.
In this sentence, 'visíveis' modifies 'sinais,' again functioning as an adjective to express the perceptibility or evidence of the signs.
Existem sinais visíveis de melhoria na educação.
There are visible signs of improvement in education.
Here 'visíveis' defines 'mudanças,' indicating that the changes are now perceivable, emphasizing result and clarity.