noun
1. a person oblivious to social changes
• Hypernyms: ↑traditionalist, ↑diehard
2. a person who sleeps a lot
3. 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
• Instance Hypernyms: ↑fictional character, ↑fictitious character, ↑character
Useful english dictionary. 2012.