- Definitions|0
- Thesaurus|112
- Abbreviations|0
16 entries under adjective topic. ×
| calamitous | |
| colossal | |
| disastrous | |
| exceptional | |
| extraordinary | |
| fatal | |
| fateful | |
| grandiloquent | |
| overblown | |
| pompous | |
| pontifical | |
| portentous | |
| predetermined | |
| prodigious | |
| surpassing | |
| tall |
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| APA | Smart Define. (2015). portentousness thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/portentousness/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "portentousness thesaurus" https://smartdefine.org/portentousness/thesaurus/synonyms (accessed September 28, 2026). |
| Harvard | Smart Define 2015, portentousness thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/portentousness/thesaurus/synonyms>. |
| MLA | Smart Define. "portentousness thesaurus" 14 April 2015. Web. 28 September 2026. <https://smartdefine.org/portentousness/thesaurus/synonyms> |