64 entries under big topic. ×

1
mattering much(expression, significant, substantial, valuable)
1
meaningful(important, significant, substantial, serious)
1
of moment(expression, significant, substantial, valuable)
1
of note(expression, significant, substantial, valuable)
1
of substance(expression, significant, substantial, valuable)
1
ponderous(significant, substantial, valuable, vital)
1
pressing(important, significant, substantial, valuable)
1
relevant(significant, substantial, valuable, vital)
1
senior(good, large, better, advanced)
1
something(significant, substantial, valuable, vital)
1
standout(significant, substantial, valuable, vital)
1
upper(adjective, top, excellent, fine, superior)
1
weighty(important, significant, substantial, serious)
0
bigger
0
elder(large, bigger)
0
extreme(large, bigger)
0
hefty(large, bigger)
0
higher(large, senior, bigger)
0
large-scale(large, bigger)
0
larger(large, bigger)
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APASmart Define. (2016). primary thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/primary/thesaurus/synonyms
ChicagoSmart Define. 2016. "primary thesaurus" https://smartdefine.org/primary/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, primary thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/primary/thesaurus/synonyms>.
MLASmart Define. "primary thesaurus" 29 March 2016. Web. 23 September 2026. <https://smartdefine.org/primary/thesaurus/synonyms>