INAUSPI'CIOUS, adjective [in and auspicious.] Ill omened; unfortunate; unlucky; evil; unfavorable. The war commenced at an inauspicious time, and its issue was inauspicious The counsels of a bad man have an inauspicious influence on society.
Source: Webster's 1828 American Dictionary ↗ · public-domain · returned verbatim, no AI