| Main Entry: | |
| Part of Speech: | adjective |
| Definition: | ominous |
| Synonyms: | apocalyptic, dire, evil, inauspicious, unfavorable, unlucky |
| Main Entry: | inauspicious |
| Part of Speech: | adjective |
| Definition: | ominous, unpromising |
| Synonyms: | bad, baleful, baneful, black, dire, discouraging, evil, fateful, foreboding, ill-boding, ill-omened, impending, inopportune, sinister, threatening, unfavorable, unfortunate, unlucky, unpromising, unpropitious, untimely, untoward |
| Antonyms: | auspicious, favorable, fortunate, lucky, promising |
| Main Entry: | ominous |
| Part of Speech: | adjective |
| Definition: | menacing, foreboding |
| Synonyms: | apocalyptic, augural, baleful, baneful, clouded, dangerous, dark, dire, direful, dismal, doomed, doomful, fateful, fearful, forbidding, gloomy, grim, haunting, hostile, ill-boding, ill-fated, impending, inauspicious, inhospitable, lowering, malefic, malificent, malign, minatory, perilous, portentous, precursive, premonitory, presaging, prescient, prophetic, sinister, suggestive, threatening, unfriendly, unlucky, unpromising, unpropitious |
| Antonyms: | auspicious, happy, lucky, promising, propitious |
| Main Entry: | portentous |
| Part of Speech: | adjective |
| Definition: | exciting; foreboding |
| Synonyms: | alarming, amazing, apocalyptic, astounding, augural, destined, doomed, exhilarating, extraordinary, fated, fateful, haunting, ill-boding, ill-fated, impending, important, inauspicious, inspiring, intriguing, ominous, phenomenal, premonitory, prophetic, remarkable, suggestive, threatening, thrilling |
| Main Entry: | sinister |
| Part of Speech: | adjective |
| Definition: | nasty, menacing |
| Synonyms: | adverse, apocalyptic, bad, baleful, baneful, blackhearted, corrupt, deleterious, dire, disastrous, dishonest, disquieting, doomful, evil, foreboding, harmful, hurtful, ill-boding, inauspicious, injurious, lowering, malefic, malevolent, malign, malignant, mischievous, obnoxious, ominous, pernicious, perverse, poisonous, portentous, threatening, unfavorable, unfortunate, unlucky, unpropitious, woeful |
| Antonyms: | benevolent, kind, nice |
| Main Entry: | threatening |
| Part of Speech: | adjective |
| Definition: | menacing, ominous |
| Synonyms: | aggressive, alarming, apocalyptic, at hand, baleful, baneful, black, bullying, cautionary, close, comminatory, dangerous, dire, fateful, forthcoming, grim, ill-boding, imminent, impendent, impending, inauspicious, intimidatory, looming, loury, lowering, lowery, minacious, minatory, near, overhanging, portending, portentous, scowling, sinister, terrorizing, ugly, unlucky, unpropitious, unsafe, upcoming, warning |
| Antonyms: | nice, pleasant |
| Main Entry: | minatory |
| Part of Speech: | adjective |
| Definition: | threatening |
| Synonyms: | aggressive, alarming, apocalyptic, at hand, baleful, baneful, black, bullying, cautionary, close, comminatory, dangerous, dire, fateful, forthcoming, grim, ill-boding, imminent, impendent, impending, inauspicious, intimidatory, looming, loury, lowering, lowery, minacious, near, overhanging, portending, portentous, scowling, sinister, terrorizing, ugly*, unlucky, unpropitious, unsafe, upcoming, warning |