Synonyms|1.4kAntonyms|411|Broader|13Narrower|15Related|3.3k

87 entries under significant topic. ×

1
primo(adjective, bad, great, solid, extraordinary)
1
principal(adjective, bad, great, excellent, extraordinary)
1
serious(adjective, great, big, unusual, heavy)
0
big(substantial, valuable, vital, imperative)
0
central(vital, imperative)
0
decisive(big, substantial, valuable, vital)
0
determining(big, substantial, valuable, vital)
0
essential(big, substantial, valuable, vital)
0
exigent(big, substantial, valuable, vital)
0
extensive(big, substantial, valuable, vital)
0
far-reaching(big, substantial, valuable, vital)
0
imperative(big, substantial, valuable, vital)
0
importunate(big, substantial, valuable, vital)
0
influential(vital, imperative)
0
key(vital, imperative)
0
material(big, substantial, valuable, vital)
0
mattering much(expression, big, substantial, valuable)
0
necessary(big, substantial, valuable, vital)
0
of moment(expression, big, substantial, valuable)
0
of substance(expression, big, substantial, valuable)
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HarvardSmart Define 2016, exceptional thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/exceptional/thesaurus/synonyms>.
MLASmart Define. "exceptional thesaurus" 29 March 2016. Web. 23 September 2026. <https://smartdefine.org/exceptional/thesaurus/synonyms>