inauspicious
Concise Oxford English Dictionary © 2008 Oxford University Press:
inauspicious/ɪnɔːˈspɪʃəs/
▶adjective not conducive to success; unpromising.
– derivatives
inauspiciously adverb,
inauspiciousness noun.
inauspiciously adverb,
inauspiciousness noun.
'inauspicious' also found in these Oxford entries:

