79 entries under significant topic. ×

2
large(vital, greatness, imperative)
2
material(adjective, importance, vital, imperative)
2
substantial(adjective, vital, imperative)
1
arrestive(adjective, solid, extraordinary, unusual, important)
1
big-league(great, extraordinary, outstanding, vital)
1
decisive(great, extraordinary, lively, outstanding)
1
determining(vital, imperative)
1
earnest(sign, suggestion, vital, imperative)
1
essential(vital, imperative)
1
exigent(vital, imperative)
1
extensive(vital, imperative)
1
front-page(outstanding, vital, eminent, influential)
1
grave(adjective, vital, imperative)
1
imperative
1
importunate(vital, imperative)
1
jutting(rough, outstanding, obvious, striking)
1
mattering much(expression, vital, imperative)
1
necessary(vital, imperative)
1
obtrusive(clear, rough, outstanding, obvious)
1
of moment(expression, vital, imperative)
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APASmart Define. (2016). signal thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/signal/thesaurus/synonyms
ChicagoSmart Define. 2016. "signal thesaurus" https://smartdefine.org/signal/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2016, signal thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/signal/thesaurus/synonyms>.
MLASmart Define. "signal thesaurus" 1 March 2016. Web. 29 September 2026. <https://smartdefine.org/signal/thesaurus/synonyms>