58 entries under important topic. ×

1
big-wig
1
distinguished
1
eminent
1
meaningful(great, big, heavy, significant)
1
muckamuck(noun, slang)
1
noteworthy
1
pivotal
1
preeminent(order, great, heavy, serious)
1
principal(order, great, superior, heavy)
1
prominent
1
salient
0
dangerous(great, serious)
0
outstanding(great, serious, notable, unforgettable)
0
overshadowing(great, serious)
0
radical(great, serious)
0
stellar(great, serious)
0
top(great, serious, prime, primary)
0
vital(great, serious)
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APASmart Define. (2016). heavyweight thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/heavyweight/thesaurus/synonyms
ChicagoSmart Define. 2016. "heavyweight thesaurus" https://smartdefine.org/heavyweight/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2016, heavyweight thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/heavyweight/thesaurus/synonyms>.
MLASmart Define. "heavyweight thesaurus" 26 February 2016. Web. 25 September 2026. <https://smartdefine.org/heavyweight/thesaurus/synonyms>