from The American Heritage® Dictionary of the English Language, 4th Edition
- adj. Menacing; threatening: ominous black clouds; ominous rumblings of discontent.
- adj. Of or being an omen, especially an evil one.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. Of or pertaining to an omen or to omens; being or exhibiting an omen; significant.
- adj. Specifically, giving indication of a coming ill; being an evil omen; threatening; portentous; inauspicious.
from the GNU version of the Collaborative International Dictionary of English
- adj. Of or pertaining to an omen or to omens; being or exhibiting an omen; significant; portentous; -- formerly used both in a favorable and unfavorable sense; now chiefly in the latter; foreboding or foreshowing evil; inauspicious.
from The Century Dictionary and Cyclopedia
- Conveying some omen; serving as a sign or token; significant.
- Of good omen; auspicious.
- Of ill omen; giving indication of coming ill; portentous; inauspicious; unlucky.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- adj. presaging ill fortune
- adj. threatening or foreshadowing evil or tragic developments
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.
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.
Within a week, Syria agrees to a returning US Envoy, that should tell you something real ominous is brewing.
He put the question seemingly to the glowing log, and, as if in ominous foreshadow, it flared brightly and crumbled away in a burst of sparks.
It is no accident that the same attorney general who has withheld information about who is being detained and why has also repeatedly warned in ominous tones that more terrorist attacks are just around the corner.
Things looked ominous from the start for the Jayhawks.
I would wager something ominous is going to happen.
As for Crassus, he was sprawled on the consular front bench opposite, with his arms folded and his legs casually outstretched, regarding Pompey with an expression of ominous calm.
But if the panic spreads to Spain, a very significant economy which is several times larger, the situation could become far more ominous, which is why so many investors are hitting the "sell" button on their trading desks.