Define nostalgic . nostalgic synonyms, nostalgic pronunciation, nostalgic translation, English dictionary definition of nostalgic . n. 1. A bittersweet longing for things, persons, or situations of the past. 2. The condition of being homesick; homesickness. nos·tal′gic adj.... Nostalgic is a word commonly used in the English language to describe a feeling. Nostalgic is often associated with positive memories, such as reminiscing about old family vacations, treasured friendships, or other times when an individual was happy. Nostalgic Meaning Key Takeaways Nostalgic refers to a sentimental longing for a period in the past. The term can be used to express happiness and a touch of sadness in memories. 3 meanings: 1. a yearning for the return of past circumstances, events, etc 2. the evocation of this emotion, as in a book,.... Click for more definitions. Master the word " NOSTALGIC " in English: definitions, translations, synonyms, pronunciations, examples, and grammar insights - all in one complete resource.