promising Antonyms

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