177 entries under important topic. ×

1
heavy(adjective, great, tough, severe)
1
hundred-proof(adjective, bad, great, excellent, superior)
1
indispensable(adjective, significant, original, essential)
1
integral(adjective, significant, original, essential)
1
intrinsic(adjective, significant, original, essential)
1
life and death(expression, adjective, great, serious)
1
meat-and-potatoes(adjective, significant, original, essential)
1
menacing(adjective, tough, severe, unpleasant)
1
mostest(adjective, bad, great, excellent, superior)
1
necessary(adjective, significant, original, essential)
1
original(adjective, significant, essential, basic)
1
out-of-sight(adjective, bad, great, excellent, superior)
1
out-of-this-world(adjective, bad, great, excellent, superior)
1
overshadowing(adjective, great, serious, pre-eminent)
1
primitive(adjective, significant, original, essential)
1
primo(adjective, bad, great, superior)
1
primordial(adjective, significant, original, essential)
1
real
1
requisite(adjective, significant, original, essential)
1
rudimentary(adjective, significant, original, essential)
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APASmart Define. (2015). major thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/major/thesaurus/synonyms
ChicagoSmart Define. 2015. "major thesaurus" https://smartdefine.org/major/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, major thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/major/thesaurus/synonyms>.
MLASmart Define. "major thesaurus" 6 July 2015. Web. 23 September 2026. <https://smartdefine.org/major/thesaurus/synonyms>