28 entries under heavy topic. ×

9
crucial(adjective, big, significant, substantial)
5
critical(adjective, bad, big, significant)
2
sober(big, substantial, serious, somber)
2
somber(big, substantial, sober, serious)
0
big deal(expression, big, substantial)
0
bulky(big, substantial)
0
burdensome(big, substantial)
0
cumbersome(big, substantial)
0
cumbrous(big, substantial)
0
dense(big, substantial)
0
fat(big, substantial)
0
fleshy(big, substantial)
0
forcible(big, substantial)
0
heavyweight(big, substantial)
0
hefty(big, substantial)
0
life and death(expression, idiom, big, substantial)
0
massive(big, substantial)
0
no-nonsense(big, substantial, sober, serious)
0
obese(big, substantial)
0
overweight(big, substantial)
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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>