This is the 8159th most frequent Portuguese word.
stress
A state of mental or emotional strain or tension resulting from challenging or demanding circumstances.
In this sentence, 'estressou' is a verb form meaning 'to become stressed'.
Ela estressou ao tentar resolver o problema rapidamente.
She got stressed while trying to solve the problem quickly.
Again, 'estresse' is used as a noun here, emphasizing ways to handle the feeling of stress.
Uma boa técnica de relaxamento pode ajudar a aliviar o estresse.
A good relaxation technique can help relieve stress.
Here, 'estresse' is used as a noun to indicate the condition or feeling of being under pressure or stress.