Ano po yong tamang kahulogan at tagalog ng Nostalgic or Nostalgi

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Although this question has been answered I just want you to understand that “panglaw” is used for many more uses than just nostalgic. Panglaw is often used in literature to denote loneliness and sadness. For example: Kapanglawan = Desolation/Emptiness. Just letting you know since the entry in diksiyonaryo.ph is strangely bare for this word. Ingat!

Fortunately, the tagalog.com dictionary does include a broader definition.