(noun) a person oblivious to social changes. Synonyms: Rip van Winkle.
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Noun Definition 1
(noun) a person who sleeps a lot. Synonyms: Rip van Winkle.
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Noun Definition 2
(noun) the title character in a story by Washington Irving about a man who sleeps for 20 years and doesn't recognize the world when he wakens. Synonyms: Rip van Winkle.