Wiktionary
unprofitably
adv. In an unprofitable manner.
WordNet
unprofitably
adv. without gain or profit [syn: profitlessly, gainlessly]
in an unproductive manner [syn: unproductively, fruitlessly] [ant: productively, productively, productively]
Usage examples of "unprofitably".
By his policy and vigor, Guiscard discovered their plots, suppressed their rebellions, and punished the guilty with death or exile: but in these domestic feuds, his years, and the national strength, were unprofitably consumed.