Synonyms|732Antonyms|136|Broader|5Narrower|22Related|976

127 entries under substantial topic. ×

1
sizable(significant, large, considerable)
1
solid gold(expression, big, important, significant)
1
somber(adjective, dull, quiet, severe, big)
1
something else(expression, adjective, big, unusual, important)
1
staid(adjective, dull, quiet, severe, big)
1
standout(big, outstanding, significant, valuable)
1
super(adjective, good, big, unusual, important)
1
super-duper(big, important, significant, large)
1
tangible
1
tidy(significant, large, considerable)
1
to the max(expression, idiom, big, important)
1
underlined(adjective, big, unusual, heavy, important)
1
united
1
unreal(big, important, significant, large)
1
valuable(adjective, good, sensible, big, important)
1
venerable(big, important, significant, large)
0
fab(big, important, significant, large)
0
fat(big, heavy, important, significant)
0
ample(significant, large, considerable)
0
astronomical(significant, large)
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HarvardSmart Define 2016, meaningful thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/meaningful/thesaurus/synonyms>.
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