Uselessly

Nature does nothing uselessly.

Researchers at the University of British Columbia in Vancouver think they might have discovered a formula for a pill that effectively delivers a full dose of insulin to a patient’s liver—where it is needed to regulate blood sugar levels—without dissipating uselessly in the stomach.

I live uselessly looking for / Someone who understands my love / And I see that it is my destiny to suffer / It is to suffer - not to find / Someone who understands the troubadour.

Mr. Civil, warned and guided by distant axe-whangs, had found them, and had been unsparing in his condemnation of Jim's stupid waste of time in coming an unnecessary mile to chop down a tree uselessly far away.