124 entries under significant topic. ×

66
important(adjective, great, severe, importance, heavy)
63
essential(adjective, body, severe, importance, material)
44
critical(adjective, great, severe, big, heavy)
27
crucial(adjective, great, severe, big, heavy)
27
key(adjective, importance, important, original)
27
necessary(adjective, body, material, big, important)
26
organic(adjective, important, active, natural)
24
indispensable(adjective, important, original, serious)
20
momentous(adjective, severe, importance, big, heavy)
20
urgent(adjective, severe, big, heavy, important)
20
serious(adjective, great, severe, importance, big)
19
fundamental(adjective, body, material, important)
19
requisite(adjective, important, original, essential)
18
basic(adjective, body, material, important)
18
imperative(adjective, big, important, substantial)
15
integral(adjective, body, importance, material, important)
15
weighty(adjective, great, severe, importance, big)
14
main(adjective, top, importance, important)
14
pivotal(adjective, important, serious, critical)
12
consequential(adjective, importance, heavy, important)
<12345…7>
10 years ago|29k views|share |citing 
APASmart Define. (2015). vital thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/vital/thesaurus/synonyms
ChicagoSmart Define. 2015. "vital thesaurus" https://smartdefine.org/vital/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, vital thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/vital/thesaurus/synonyms>.
MLASmart Define. "vital thesaurus" 2 November 2015. Web. 27 September 2026. <https://smartdefine.org/vital/thesaurus/synonyms>