51 entries under significant topic. ×

1
large(big, substantial, valuable, vital)
1
marked(big, substantial, valuable, vital)
1
material(big, substantial, valuable, vital)
1
mattering much(expression, big, substantial, valuable)
1
meaningful(big, important, substantial, serious)
1
momentous(big, substantial, valuable, vital)
1
necessary(adjective, big, substantial, valuable)
1
of moment(expression, big, substantial, valuable)
1
of note(expression, big, substantial, valuable)
1
of substance(expression, big, substantial, valuable)
1
paramount(important, serious, critical, vital)
1
ponderous(big, substantial, valuable, vital)
1
pressing(big, substantial, valuable, vital)
1
primary(big, substantial, valuable, vital)
1
principal(adjective, big, substantial, valuable)
1
relevant(big, substantial, valuable, vital)
1
salient(big, substantial, valuable, vital)
1
serious(big, important, substantial, valuable)
1
signal(vital, imperative)
1
something(big, substantial, valuable, vital)
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APASmart Define. (2016). determining thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/determining/thesaurus/synonyms
ChicagoSmart Define. 2016. "determining thesaurus" https://smartdefine.org/determining/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2016, determining thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/determining/thesaurus/synonyms>.
MLASmart Define. "determining thesaurus" 18 March 2016. Web. 20 September 2026. <https://smartdefine.org/determining/thesaurus/synonyms>