interestingness 

something that an enthralling, or interesting object,place, event, person ect. would possess.

"my afternoon will be full of interestingness"

interestingness by hoolae April 13, 2010

Interestingest 

One of the most interesting people you know.- Melany Martinez

“I am the most interestingest person you know.”

Interestingest by muhkenzay June 17, 2022

interestingest 

One of the most interesting people you know.

“I am the greatest and interestingest person you know.”- Melany Martinez

interestingest by muhkenzay June 17, 2022