Definition of ominous in English:

ominous

adjective

  • Giving the worrying impression that something bad is going to happen; threateningly inauspicious.

    ‘there were ominous dark clouds gathering overhead’
    • ‘There are no silver linings in these clouds, only ominous sounds of rumbling thunder.’
    • ‘There was a flash of sudden pain before the blue sky turned an ominous dark black.’
    • ‘Then my name was called and I made my way quickly up the steps and onto the ominous black stage.’
    • ‘No more rain, a slight breeze now and again, but the sky remains dark and ominous.’
    • ‘Outside, dark, ominous thunder clouds gathered as rain began to pelt down on top of her car.’
    • ‘Western explorers construed the presence of wolves as an ominous portent.’
    • ‘On this perspective, the week from hell was less a passing squall than an ominous darkening of the clouds.’
    • ‘Silent gulls on the wing are ominous, somehow, and not a little threatening.’
    • ‘A forest lies to the south, darker and more ominous, but just as green and full of life.’
    • ‘The sun had begun to set, making the sky and clouds a strangely ominous pinkish hue.’
    • ‘Not only are they threatened by the ominous arrival, they have no idea who he is, or what he shall look like.’
    • ‘Next morning Ian wakes up to discover his leg has turned an ominous shade of black.’
    • ‘The storm is just about to break, there's an ominous black cloud over Sheffield.’
    • ‘The figure frightened her, an ominous thing of black with pointed ears and dark green skin.’
    • ‘She looked away, to the dark and ominous wall hangings, feeling useless and sick.’
    • ‘An ominous little black pig fills a corner in The Maids, a premonition of the murders to come.’
    • ‘In recent times however, the label could be associated with an even more ominous threat.’
    • ‘Her eyes became dark and ominous as she said this and the clouds began to gather in the once bright blue sky.’
    • ‘His dark, ominous eyes bore testament to the fact that he was dangerous.’
    • ‘The sun had long since risen, not that you could tell it from the ominous clouds outside.’
    threatening, menacing, baleful, forbidding, sinister, doomy, inauspicious, unpropitious, portentous, unfavourable, dire, unpromising
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Origin

Late 16th century: from Latin ominosus, from omen, omin- ‘omen’.

Pronunciation

ominous

/ˈɒmɪnəs/