- Definitions|2
- Thesaurus|1.1k
- Abbreviations|0
29 entries under substantial topic. ×
| crucial(adjective, big, heavy, significant) | |
| critical(adjective, bad, big, heavy, significant) | |
| heavy(bad, big, sober, serious) | |
| sober(big, heavy, serious, somber) | |
| somber(big, heavy, sober, serious) | |
| big deal(expression, big, heavy) | |
| bulky(big, heavy) | |
| burdensome(big, heavy) | |
| cumbersome(big, heavy) | |
| cumbrous(big, heavy) | |
| dense(big, heavy) | |
| fat(big, heavy) | |
| fleshy(big, heavy) | |
| forcible(big, heavy) | |
| heavyweight(big, heavy) | |
| hefty(big, heavy) | |
| life and death(expression, idiom, big, heavy) | |
| massive(big, heavy) | |
| no-nonsense(big, heavy, sober, serious) | |
| obese(big, heavy) |
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| APA | Smart Define. (2015). portentous thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/portentous/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "portentous thesaurus" https://smartdefine.org/portentous/thesaurus/synonyms (accessed September 28, 2026). |
| Harvard | Smart Define 2015, portentous thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/portentous/thesaurus/synonyms>. |
| MLA | Smart Define. "portentous thesaurus" 10 April 2015. Web. 28 September 2026. <https://smartdefine.org/portentous/thesaurus/synonyms> |