4
critically(adverb, seriously, essentially, urgently, importantly)
4
decisively
4
fatefully
4
importantly(adverb, seriously, essentially, urgently, importantly)
4
most importantly
3
urgently
2
imperatively
2
necessarily
1
essentially
1
gravely
1
pivotally
1
vitally
1
acutely
1
authoritatively
1
centrally
1
climacterically
1
conclusively
1
cruciformly
1
definitively
1
determinatively
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APASmart Define. (2013). crucially thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/crucially/thesaurus/synonyms
ChicagoSmart Define. 2013. "crucially thesaurus" https://smartdefine.org/crucially/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2013, crucially thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/crucially/thesaurus/synonyms>.
MLASmart Define. "crucially thesaurus" 17 June 2013. Web. 21 September 2026. <https://smartdefine.org/crucially/thesaurus/synonyms>