Synonyms : unfortunate

Example : Adverse circumstances.
Made a place for themselves under the most untoward conditions.

Synonyms : adverse, untoward

Example : 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.

Synonyms : ill, ominous