89 entries under significant topic. ×

1
incumbent on(expression, adjective, essential, basic)
1
influential(vital, forceful, imperative, persuasive)
1
integral(important, serious, essential, critical)
1
key(important, essential, critical, basic)
1
large(big, substantial, valuable, vital)
1
major(adjective, tough, severe, heavy, important)
1
marked(big, substantial, valuable, vital)
1
material(adjective, big, substantial, valuable)
1
mattering much(expression, big, substantial, valuable)
1
name of game(expression, adjective, idiom, essential)
1
of moment(expression, big, substantial, valuable)
1
of note(expression, big, substantial, valuable)
1
of substance(expression, big, substantial, valuable)
1
ponderous(big, substantial, valuable, vital)
1
prerequisite(adjective, important, essential, critical)
1
quintessential(adjective, essential, basic, vital)
1
relevant(big, substantial, valuable, vital)
1
signal(adjective, vital, imperative)
1
something(big, substantial, valuable, vital)
1
specified(adjective, essential, basic, vital)
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APASmart Define. (2015). urgent thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/urgent/thesaurus/synonyms
ChicagoSmart Define. 2015. "urgent thesaurus" https://smartdefine.org/urgent/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, urgent thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/urgent/thesaurus/synonyms>.
MLASmart Define. "urgent thesaurus" 3 August 2015. Web. 28 September 2026. <https://smartdefine.org/urgent/thesaurus/synonyms>