Synonyms|509Antonyms|222|Broader|7Narrower|0Related|667

46 entries under significant topic. ×

1
importunate(big, substantial, valuable, vital)
1
influential(vital, imperative)
1
marked(big, substantial, valuable, vital)
1
material(big, heavy, substantial, valuable)
1
mattering much(expression, big, substantial, valuable)
1
meaningful(dull, quiet, big, heavy)
1
necessary(big, substantial, valuable, vital)
1
of moment(expression, big, substantial, valuable)
1
of note(expression, big, substantial, valuable)
1
of substance(expression, big, substantial, valuable)
1
paramount(vital, imperative)
1
primary(big, substantial, valuable, vital)
1
principal(big, substantial, valuable, vital)
1
relevant(big, substantial, valuable, vital)
1
salient(big, substantial, valuable, vital)
1
signal(vital, imperative)
1
something(big, substantial, valuable, vital)
1
standout(big, substantial, valuable, vital)
1
urgent(big, substantial, valuable, vital)
1
vital(big, substantial, valuable, imperative)
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ChicagoSmart Define. 2015. "ponderous thesaurus" https://smartdefine.org/ponderous/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, ponderous thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/ponderous/thesaurus/synonyms>.
MLASmart Define. "ponderous thesaurus" 10 April 2015. Web. 28 September 2026. <https://smartdefine.org/ponderous/thesaurus/synonyms>