Synonyms|367Antonyms|96|Broader|9Narrower|15Related|697

29 entries under substantial topic. ×

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overweight(big, heavy)
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ponderous(big, heavy)
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porcine(big, heavy)
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portly(big, heavy)
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sedate(big, heavy, sober, serious)
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severe(big, heavy)
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staid(big, heavy, sober, serious)
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stout(big, heavy)
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underlined(big, heavy)
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APASmart Define. (2015). portentous thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/portentous/thesaurus/synonyms
ChicagoSmart Define. 2015. "portentous thesaurus" https://smartdefine.org/portentous/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2015, portentous thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/portentous/thesaurus/synonyms>.
MLASmart Define. "portentous thesaurus" 10 April 2015. Web. 29 September 2026. <https://smartdefine.org/portentous/thesaurus/synonyms>