Definition of "nostalgic"
nostalgic
adjective
comparative more nostalgic, superlative most nostalgic
Of, having, or relating to nostalgia.
Quotations
And here, as I write, the faint, scarcely perceptible, ghost-like suspicion of a scent—a mere nostalgic fancy, compound, generic, synthetic and all-embracing—an abstract olfactory symbol of the "Tout Paris" of fifty years ago, comes back to me out of the past; and fain would I inhale it in all its pristine fulness and vigour.
1891, George Du Maurier, Peter Ibbetson
And it was their voices which affected Gudrun almost to swooning. They aroused a strange, nostalgic ache of desire, something almost demoniacal, never to be fulfilled.
1920 November 9, D[avid] H[erbert] Lawrence, chapter IX, in Women in Love, New York, N.Y.: Privately printed [by Thomas Seltzer] for subscribers only
noun
plural nostalgics