Etymology: Latin ominosus, from omen.
- Harmful, having an injurious effect
- 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; as, an ominous dread.
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Full Definition of ominous