The 2004 Top Ten Favorite Words, according to Merriam-Webster.com

1. defenestration
2. serendipity
3. onomatopoeia
4. discombobulate
5. plethora
6. callipygian
7. juxtapose
8. persnickety
9. kerfuffle
10. flibbertigibbet

Now the question is, does anyone know all the definitions of those words?