ominous

IPA: ˈɑmʌnʌs

Of or pertaining to an omen or to omens; being or exhibiting an omen; significant.
Specifically, giving indication of a coming ill; being an evil omen

Examples of "ominous" in Sentences

Devil's Reef, the Devil's Horse-shoe or by some other term ominous of shipwrecks.
What's even more ominous is that the trendlines aren't all that great, heading into October.
Within a week, Syria agrees to a returning US Envoy, that should tell you something real ominous is brewing.
A wave of hateful messages and death threats hit the University, and was joined soon enough by a few political leaders and wealthy donors instructing officials in ominous tones to cancel my visit to the campus.