Synonyms|419Antonyms|100|Broader|2Narrower|0Related|158

41 entries under substantial topic. ×

1
material(big, significant, valuable, vital)
1
mattering much(expression, big, significant, valuable)
1
meaningful(big, significant, valuable, vital)
1
momentous(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
primary(big, significant, valuable, vital)
1
principal(big, significant, valuable, vital)
1
relevant(big, significant, valuable, vital)
1
salient(big, significant, valuable, vital)
1
serious(hard, tough, big, important)
1
significant(adjective, great, big, important)
1
something(big, significant, valuable, vital)
1
standout(big, significant, valuable, vital)
1
vital(adjective, big, important, significant)
1
weighty(hard, tough, difficult, big, significant)
0
exceptional(big, significant, valuable, vital)
0
grave(big, significant, valuable, vital)
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APASmart Define. (2015). importunate thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/importunate/thesaurus/synonyms
ChicagoSmart Define. 2015. "importunate thesaurus" https://smartdefine.org/importunate/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, importunate thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/importunate/thesaurus/synonyms>.
MLASmart Define. "importunate thesaurus" 13 April 2015. Web. 26 September 2026. <https://smartdefine.org/importunate/thesaurus/synonyms>