FRUITLESSLY

unproductively, fruitlessly, unprofitably

(adverb) in an unproductive manner

Source: WordNet® 3.1

Etymology

Adverb

fruitlessly (comparative more fruitlessly, superlative most fruitlessly)

In a fruitless manner

Source: Wiktionary

FRUITLESS

Fruit"less, a.

1. Lacking, or not bearing, fruit; barren; destitute of offspring; as, a fruitless tree or shrub; a fruitless marriage. Shak.

2. Productive of no advantage or good effect; vain; idle; useless; unprofitable; as, a fruitless attempt; a fruitless controversy. They in mutual accusation spent The fruitless hours. Milton.

Syn.

– Useless; barren; unprofitable; abortive; ineffectual; vain; idle; profitless. See Useless.

– Fruit"less*ly, adv.

– Fruit"lness*ness, n.

Source: Webster’s Unabridged Dictionary 1913 Edition