Synonyms|727Antonyms|37|Broader|4Narrower|12Related|342

82 entries under substantial topic. ×

1
primary(big, significant, valuable, vital)
1
principal(big, significant, valuable, vital)
1
renowned(big, important, significant, large)
1
salient(big, significant, valuable, vital)
1
serious(big, outstanding, significant, valuable)
1
solid gold(expression, adjective, big, important)
1
something else(expression, adjective, hit, big, important)
1
standout(big, outstanding, significant, valuable)
1
super(big, important, outstanding, significant)
1
super-duper(adjective, big, important, significant)
1
to the max(expression, adjective, idiom, big, important)
1
tolerable(significant, large, quite, rather)
1
unreal(big, important, significant, large)
1
urgent(big, significant, valuable, vital)
1
venerable(big, important, significant, large)
1
vital(adjective, big, significant, valuable)
1
weighty(big, important, significant, large)
0
fat(adjective, big, important, significant)
0
ponderous(big, significant, valuable, vital)
0
abundant(significant, large)
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MLASmart Define. "something thesaurus" 14 April 2015. Web. 23 September 2026. <https://smartdefine.org/something/thesaurus/synonyms>