The Collaborative International Dictionary
Worthless \Worth"less\, a. [AS. weor[eth]le['a]s.] Destitute of worth; having no value, virtue, excellence, dignity, or the like; undeserving; valueless; useless; vile; mean; as, a worthless garment; a worthless ship; a worthless man or woman; a worthless magistrate.
'T is a worthless world to win or lose.
--Byron.
[1913 Webster] -- Worth"less*ly, adv. -- Worth"less*ness,
n.
Wiktionary
adv. In a worthless manner.
WordNet
adv. in a worthless manner
Usage examples of "worthlessly".
That worked once, with that ant-like race on Medusa, and it was played up by the ERB politicians until now most of the Supreme Council believes the ERB claim that relations with alien life forms has been reduced to an exact science by the ERB and the slow methods of the Frontier Corps are worthlessly obsolete.