The meaning of OMINOUS is being or exhibiting an omen : portentous; especially : foreboding or foreshadowing evil, misfortune, or calamity : inauspicious. How to use ominous in a sentence.

Ominous, portentous, threatening, menacing, fateful are adjectives describing that which forebodes a serious, significant, and often harmful outcome. Ominous, derived from omen “a predictor of …

OMINOUS definition: 1. suggesting that something unpleasant is likely to happen: 2. suggesting that something…. Learn more.

If you describe something as ominous, you mean that it worries you because it makes you think that something unpleasant is going to happen. There was an ominous silence at the other end of the …

Definition of ominous adjective in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

1. Menacing; threatening: ominous black clouds; ominous rumblings of discontent. 2. Of or being an omen, especially an evil one.

Nov 30, 2025 · Formerly used both in a favorable and unfavorable sense; now chiefly in the latter; foreboding or foreshadowing evil; inauspicious; as, an ominous dread.