Synonyms|378Antonyms|69|Broader|0Narrower|0Related|218
1
quickly
1
really(adverb, absolutely, exactly, positively, certainly)
1
relentlessly(adverb, resolutely)
1
right away
1
seriously
1
settled
1
speedily
1
stiffly(adverb, tenaciously)
1
stonily(adverb, tenaciously)
1
straightaway
1
strongly(adverb, tenaciously)
1
summarily
1
sure as can be(expression, idiom, really, exactly, positively)
1
sure as hell(expression, idiom, really, exactly, positively)
1
sure enough(expression, adverb, really, exactly, positively)
1
swiftly
1
terrifically(adverb, absolutely, really, positively, certainly)
1
tooth and nail(expression, idiom)
1
unambiguously(adverb, absolutely, really, exactly, positively)
1
undauntedly(adverb, tenaciously)
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ChicagoSmart Define. 2015. "decisively thesaurus" https://smartdefine.org/decisively/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, decisively thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/decisively/thesaurus/synonyms>.
MLASmart Define. "decisively thesaurus" 14 April 2015. Web. 21 September 2026. <https://smartdefine.org/decisively/thesaurus/synonyms>