1. a sentimental longing or affection for the past, typically for a period or place with happy associations
She felt a wave of nostalgia when she saw her old school photos.
Ela sentiu uma onda de nostalgia quando viu suas fotos antigas da escola.
2. something that evokes or is associated with nostalgia; a nostalgic feeling or quality
The old song filled him with nostalgia for his childhood.
A música antiga o preencheu com nostalgia de sua infância.