wastefully

Yes. The estate has been run very wastefully for many years.

They're killed as by-catch and most sadly and I think most wastefully, they're killed for just their fins.

Yes. The estate has been run very wastefully for many years. - I won't listen to this! - Now, come on, Jarvis. If I can listen to it, so can you.

It was a self-absorption with no comfort, a demand for expression with no outlet, a sense of time rushing by, ceaselessly and wastefully—assuaged only by that conviction that there was nothing to waste, because all efforts and attainments were equally valueless.