46 entries under significant topic. ×

1
venerable(big, important, substantial, large)
1
weighty(big, important, substantial, large)
0
abundant(substantial, large)
0
ample(substantial, large)
0
appreciable(substantial, large)
0
astronomical(substantial, large)
0
bountiful(substantial, large)
0
comfortable(substantial, large)
0
commodious(substantial, large)
0
considerable(substantial, large, striking, stupendous)
0
extensive(substantial, large)
0
hefty(substantial, large)
0
huge(substantial, amazing, large, astonishing)
0
large-scale(substantial, large)
0
major(substantial, large)
0
marked(substantial, large)
0
much(substantial, large)
0
noticeable(substantial, large)
0
plentiful(substantial, large)
0
reasonable(substantial, large)
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APASmart Define. (2016). fab thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/fab/thesaurus/synonyms
ChicagoSmart Define. 2016. "fab thesaurus" https://smartdefine.org/fab/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, fab thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/fab/thesaurus/synonyms>.
MLASmart Define. "fab thesaurus" 29 March 2016. Web. 23 September 2026. <https://smartdefine.org/fab/thesaurus/synonyms>