Definition of Nostalgia: Nostalgia (noun): A sentimental longing or wistful affection for the past, typically for a period or place with happy personal associations. Synonyms: wistfulness, reminiscence, longing, homesickness Antonyms: indifference, forward-looking, anticipation, unconcern Memory Tip: Think of “nostalgia” as a warm, fuzzy feeling that washes over you when you remember the good old days.…