Worthless, a. — Webster enters it under “worthless”
Etymology: [AS. weorthleás.]
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. -- Worth"less*ly, adv. -- Worth"less*ness, n.
Shades of meaning
Fernald lists worthlessness only as an antonym, under utility.
He lists it without comment; the entries above explain its neighbors.
Synonyms
none given