Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun good-for-nothing

1 sense of good-for-nothing

Sense 1
goldbrick, goof-off, ne'er-do-well, good-for-nothing, no-account, good-for-naught -- (an idle worthless person)
       => idler, loafer, do-nothing, layabout, bum -- (person who does no work; "a lazy bum")

Antonyms of adj good-for-nothing

1 sense of good-for-nothing

Sense 1
good-for-nothing, good-for-naught, meritless, no-account, no-count, no-good, sorry -- (without merit; "a sorry horse"; "a sorry excuse"; "a lazy no-count, good-for-nothing goldbrick"; "the car was a no-good piece of junk")

INDIRECT (VIA worthless) -> valuable -- (having great material or monetary value especially for use or exchange; "a valuable diamond")

Similarity of adj good-for-nothing

1 sense of good-for-nothing

Sense 1
good-for-nothing, good-for-naught, meritless, no-account, no-count, no-good, sorry -- (without merit; "a sorry horse"; "a sorry excuse"; "a lazy no-count, good-for-nothing goldbrick"; "the car was a no-good piece of junk")
       => worthless (vs. valuable) -- (lacking in usefulness or value; "a worthless idler")