29 entries under big topic. ×

9
crucial(adjective, heavy, significant, substantial)
5
critical(adjective, bad, heavy, significant)
2
heavy(bad, substantial, sober, serious)
2
sober(heavy, substantial, serious, somber)
2
somber(heavy, substantial, sober, serious)
0
big deal(expression, heavy, substantial)
0
bulky(heavy, substantial)
0
burdensome(heavy, substantial)
0
cumbersome(heavy, substantial)
0
cumbrous(heavy, substantial)
0
dense(heavy, substantial)
0
fat(heavy, substantial)
0
fleshy(heavy, substantial)
0
forcible(heavy, substantial)
0
heavyweight(heavy, substantial)
0
hefty(heavy, substantial)
0
life and death(expression, idiom, heavy, substantial)
0
massive(heavy, substantial)
0
no-nonsense(heavy, substantial, sober, serious)
0
obese(heavy, substantial)
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APASmart Define. (2015). portentous thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/portentous/thesaurus/synonyms
ChicagoSmart Define. 2015. "portentous thesaurus" https://smartdefine.org/portentous/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, portentous thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/portentous/thesaurus/synonyms>.
MLASmart Define. "portentous thesaurus" 10 April 2015. Web. 28 September 2026. <https://smartdefine.org/portentous/thesaurus/synonyms>