indefatigable

Molly White is the model of an indefatigable and intrepid journalist.

His "indefatigable courage stands as a testament to the principle of freedom of expression."

“He cannot halt the US energy transition and roll back the billions of dollars in green subsidies... nor can he stop the indefatigable non-federal climate movement.”

“Few, even in the crypto world, seem excited about this project,” observes Molly White, an indefatigable chronicler of the costly hijinks in the world of crypto and other fringe financial assets.

I can’t say this is my idea of a theatrical good time, but I appreciated the zany commitment and indefatigable exertion of a company dedicated to the worthy cause of mindless fun.