This is the 3444th most frequent Portuguese word.
manifestar
"Manifestar" means "to express, demonstrate, or make known."
Here, 'manifestar' is used to mean 'express' or 'make known' publicly or within a group.
Ela decidiu manifestar sua opinião durante a reunião.
She decided to express her opinion during the meeting.
In this sentence, 'manifestar' is used as 'to demonstrate' or 'to protest' in a public setting.
Os cidadãos foram às ruas para manifestar sua insatisfação com as novas leis.
The citizens took to the streets to demonstrate their dissatisfaction with the new laws.
Here, 'manifestar' has the meaning of 'to appear' or 'to become evident' in a medical or observational context.