Nostalgia is sentimentality for the past, typically for a particular period or place with positive associations, but sometimes also for the past in general, 'the good old days of yore'.Nostalgia means feeling pleasure and happiness. Feeling or inspiring nostalgia: such as. a. : longing for or thinking fondly of a past time or condition. Nostalgia is feeling happy and also slightly sad when you think about things that happened in your past. For example:Talking about our old family holidays has made me feel all nostalgic. We'll take a nostalgic look at the musical hits of the1960s. A feeling of nostalgia