promising Antonyms

as useful as a chocolate teapot ruinous premonitory prefigure predictive portentous portend poor pessimistic ominous miserable minatory menacing intempestive inauspicious ill sinister subversionary threatened absolutely impossible not good unencouraging soul-crushing unattractive wretched vandalic unlucky unlikely unhappy unfortunate unfit unfavorable threatful threatening hopeless harrowing dim desperate depressing deadly damning cheerless catastrophic calamitous bleak bearish baleful badgering bad awful