Synonyms of portentous
- 2 Syllables
- doomed, solemn, fated, parlous, haunting, thrilling, doomful, pompous, delphian, fustian, grabber, loury
- 3 Syllables
- important, alarming, augural, jeopardous, amazing, ominous, lowery, astounding, blackhearted, destined, fateful, ill-boding, impendent, dangerous, hellfire, impending, prophetic, ill-fated, puffed-up, inspiring, sinister, threatening, intriguing
- 4 Syllables
- malificent, inauspicious, phenomenal, dangersome, suggestive, oracular, minatory, precursive, remarkable
- 5 Syllables
- apocalyptic, revelational, exhilarating, comminatory, extraordinary, fire-and-brimstone, premonitory
- 6 Syllables
- apocalyptical