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Meaning of ominous

om•i•nous

Pronunciation: (om'u-nus), [key]
— adj.
  1. portending evil or harm; foreboding; threatening; inauspicious: an ominous bank of dark clouds.
  2. having the significance of an omen.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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