superactivity

noun

su·​per·​ac·​tiv·​ity ˌsü-pər-ak-ˈti-və-tē 

plural superactivities

: activity that exceeds what is usual or expected

superactivity in the cerebral cortex

enzymatic superactivity

Artistically, Twain had to make the town seem dull so that it could serve as a foil for Tom's superactivities …

—John C. Gerber

Word History

First Known Use

1835, in the meaning defined above