Unproductively

Common synonyms include: barrenly, fruitlessly, ineffectively, unprofitably, unsuccessfully, uselessly.

adv

adv ·Rare ·Advanced level

Definitions

Adverb

1
In an unproductive manner.
"He did not come however. Anne sometimes fancied she discerned him at a distance, but he never came. The anxious interval wore away unproductively."

Adverb

"He did not come however. Anne sometimes fancied she discerned him at a distance, but he never came. The anxious interval wore away unproductively."

From unproductive + -ly.