Open English Wordnet
Adjectives
(s)adverse, inauspicious, untowardcontrary to your interests or welfare“adverse circumstances”, “made a place for themselves under the most untoward conditions”
(s)ill, inauspicious, ominouspresaging ill fortune“ill omens”, “ill predictions”, “my words with inauspicious thunderings shook heaven” (P.B.Shelley), “a dead and ominous silence prevailed”, “a by-election at a time highly unpropitious for the Government”