Can You Solve Today’s Riddle?

What's the only unhyphenated English word that has three consecutive double letters?  Watch the video to see if you got it right! 

What’s the only unhyphenated English word that has three consecutive double letters?  You’ll have to click and see if you got it right!  By the way, solving word puzzles builds your memory and mental speed.   Right or wrong, you just did your brain a favor!