1.  no-good(s = adj.all) good-for-naught, good-for-nothing, meritless, no-account, no-count, 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"

2.  no-good(s = adj.all) rubber - returned for lack of funds; "a rubber check"; "a no-good check"

   without merit; useless; as, the car was a no-good piece of junk. [WordNet 1.5]