Synonyms|659Antonyms|114|Broader|10Narrower|15Related|819

82 entries under big topic. ×

1
something(important, significant, substantial, large)
1
something else(expression, important, substantial, large)
1
super-duper(important, significant, substantial, large)
1
to the max(expression, idiom, important, substantial)
1
unreal(adjective, superior, unusual, important)
1
venerable(important, significant, substantial, large)
1
worthwhile(adjective, strong, solid, important)
0
big deal(expression, heavy, substantial)
0
bulky(heavy, significant, substantial, large)
0
cumbersome(heavy, substantial)
0
cumbrous(heavy, substantial)
0
dense(heavy, substantial)
0
fleshy(heavy, substantial)
0
hefty(heavy, significant, substantial, large)
0
no-nonsense(heavy, substantial)
0
obese(heavy, substantial)
0
overweight(heavy, substantial)
0
porcine(heavy, substantial)
0
portly(heavy, substantial)
0
somber(heavy, substantial)
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ChicagoSmart Define. 2016. "momentous thesaurus" https://smartdefine.org/momentous/thesaurus/synonyms (accessed October 1, 2026).
HarvardSmart Define 2016, momentous thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/momentous/thesaurus/synonyms>.
MLASmart Define. "momentous thesaurus" 1 April 2016. Web. 1 October 2026. <https://smartdefine.org/momentous/thesaurus/synonyms>