1/ johnny depp is the beautifullest man in the world  2/ christina aguilera is beautifuller than britney spears
1/ the most [beautiful] of a group of things/people  2/ -er >> more beautiful than something/someone else
"1/ johnny depp is the beautifullest man in the world  2/ christina aguilera is beautifuller than britney spears" What is the definition of "beautifullest"?