adj. not functioning properly or in suitable condition for proceeding; as, the space launch was no-go. Opposite of go, a. [ WordNet 1.5 ]
n. a nonexistent goal; as, he lived without a reason progressing toward no-goal. [ WordNet 1.5 ]
adj. without merit; useless; as, the car was a no-good piece of junk. Syn. -- good-for-nothing, good-for-naught, meritless, no-account, no-count, sorry. [ WordNet 1.5 ]
n. A worthless, disreputable, or malicious person. [ slang ] Syn. -- good-for-nothing. [ PJC ]