- Definitions|2
- Thesaurus|1.1k
- Abbreviations|0
27 entries under foreboding topic. ×
| fateful(adjective, importance, significant, valuable, black) | |
| inauspicious(adjective, awful, fear, black, exciting) | |
| ominous(adjective, exciting, warn, luck) | |
| remarkable(adjective, extraordinary, importance, valuable, main) | |
| important(adjective, importance, valuable, main, exciting) | |
| amazing(adjective, extraordinary, astonishment, exciting) | |
| threatening(adjective, exciting, ominous) | |
| astounding(adjective, extraordinary, exciting) | |
| phenomenal(adjective, extraordinary, exciting) | |
| ill-boding(adjective, awful, fear, black, exciting) | |
| ill-fated(adjective, exciting, ominous) | |
| prophetic(adjective, exciting, ominous) | |
| alarming(adjective, fear, exciting) | |
| augural(adjective, awful, fear, black, exciting) | |
| extraordinary(adjective, exciting) | |
| premonitory(adjective, exciting, threatening, prediction) | |
| apocalyptic(adjective, exciting, warn, luck) | |
| inspiring(adjective, great, excellent, superb, super) | |
| doomed(adjective, exciting) | |
| impending(adjective, exciting) |
For more, visit
Portentous on
Power Thesaurus
| APA | Smart Define. (2015). portentous thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/portentous/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "portentous thesaurus" https://smartdefine.org/portentous/thesaurus/synonyms (accessed September 21, 2026). |
| Harvard | Smart Define 2015, portentous thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/portentous/thesaurus/synonyms>. |
| MLA | Smart Define. "portentous thesaurus" 10 April 2015. Web. 21 September 2026. <https://smartdefine.org/portentous/thesaurus/synonyms> |