Synonyms for Worthless (same or very similar meaning)
WordNet sense 1 (of no value):
valueless
WordNet sense 2 (cheap and inferior; of no value):
trashy
WordNet sense 3 (serving no useful purpose; having no excuse for being):
pointless
WordNet sense 4 (of no real value):
nugatory
WordNet sense 5 (not worth considering):
paltry, trifling
WordNet sense 6 (without merit):
meritless
WordNet sense 7 (value):
chaffy
WordNet sense 8 (morally reprehensible):
despicable, slimy, ugly, unworthy, vile, wretched
WordNet sense 9 (morally bad or wrong):
evil
From the ODE community, based on WordNet
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