This is the 5399th most frequent Portuguese word.
saudoso
Feeling nostalgic or longing for something or someone.
Here, 'saudoso' is used to express a feeling of nostalgic yearning for a past experience.
Ele ficou saudoso dos tempos em que morava no interior.
He felt nostalgic for the times when he lived in the countryside.
In this sentence, 'saudoso' conveys the emotional response triggered by the memory evoked by an old song.
É normal se sentir saudoso ao ouvir aquela música antiga.
It is normal to feel nostalgic when listening to that old song.
Here, 'saudoso' is describing a person who is remembered fondly and possibly is missed due to their absence.