Origin: Latin suffix -ous
Inauspicious has 4 different meanings across 1 category:
not auspicious; boding ill
contrary to your interests or welfare
"adverse circumstances"
"made a place for themselves under the most untoward conditions"
presaging ill fortune
"ill omens"
"ill predictions"
"my words with inauspicious thunderings shook heaven"
"a dead and ominous silence prevailed"
"a by-election at a time highly unpropitious for the Government"
Not auspicious; ill-omened