adjective
1.
lacking all excellence or value
gave me a worthless check
Synonyms: draffy, drossy, good-for-nothing, inutile, ||no-account, no-good, nothing, unworthy, valueless
Related Word: inferior, mediocre, poor, second-rate; defective, flawed, imperfect; bootless, ineffectual, unavailing, useless; contemptible, dusty, mean, sad, sorry
Idioms: dear at any price, of no earthly value ( or worth)
Contrasted words: esteemed, precious; useful, valuable, worthwhile; invaluable, priceless
Antonyms: worthful
2.
Synonyms: feckless 1, fustian, good-for-nothing, meaningless, purposeless, unpurposed, useless
Related Word: incapable, incompetent, unqualified