Giving the feeling that something bad or unpleasant is going to happen.
From Latin "ominosus" meaning "full of foreboding, inauspicious," from "omen" (a sign of the future). It originally described things that seemed to predict bad luck.
Ominous things are like walking omens—they feel like signs pointing toward trouble. Our brains are so tuned to danger that even a dark cloud or a strange silence can suddenly seem loaded with meaning.
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