| nostalgia | (noun) longing for something past | - |
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| nostalgic | (adjective) unhappy about being away and longing for familiar things or persons | - |
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| nostalgically | (adverb) in a nostalgic manner | - |
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| nostoc | (noun) found in moist places as rounded jellylike colonies | - |
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| nostril | (noun) either one of the two external openings to the nasal cavity in the nose | Synonyms: anterior naris |
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| nostrum | (noun) patent medicine whose efficacy is questionable | - |
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| (noun) hypothetical remedy for all ills or diseases; once sought by the alchemists | Synonyms: catholicon, cure-all, panacea |