"Unauspicious" is a word in ENGLISH

Of or pertaining to the days in the calendar not marked with red letters as saints' days. Hence: Unlucky; inauspicious.

Boding evil; inauspicious; ill-omened.

Having unlucky omens; inauspicious. See Note under Ill, adv.

Inauspicious.

Not auspicious; ill-omened; unfortunate; unlucky; unfavorable.

Lat Inauspicious. Applied, in the Roman law, to a day on which it was unlawful to open the courts or …

Inauspicious; ill-omened.

Of or pertaining to an omen or to omens; being or exhibiting an omen; significant; portentous; -- formerly used both …

Unlucky; inauspicious; disastrous; injurious; evil; -- the left being usually regarded as the unlucky side; as, sinister influences.

Bringing bad luck; ill-omened; inauspicious.