Synonyms|336Antonyms|1|Broader|0Narrower|0Related|56

43 entries under substantial topic. ×

1
marked(adjective, great, big, wonderful, exceptional)
1
material(big, significant, valuable, vital)
1
mattering much(expression, big, significant, valuable)
1
meaningful(big, outstanding, significant, valuable)
1
necessary(big, significant, valuable, vital)
1
of moment(expression, big, significant, valuable)
1
of note(expression, big, significant, valuable)
1
of substance(expression, big, significant, valuable)
1
ponderous(big, significant, valuable, vital)
1
pressing(big, significant, valuable, vital)
1
primary(big, significant, valuable, vital)
1
principal(adjective, bad, great, excellent, big)
1
relevant(big, significant, valuable, vital)
1
salient(adjective, great, big, wonderful, exceptional)
1
serious(great, extraordinary, big, significant)
1
signal(adjective, great, extraordinary, big, important)
1
significant(big, outstanding, valuable, vital)
1
something(big, outstanding, significant, valuable)
1
urgent(big, significant, valuable, vital)
1
vital(big, significant, valuable, imperative)
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HarvardSmart Define 2013, standout thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/standout/thesaurus/synonyms>.
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