Synonyms|555Antonyms|138|Broader|0Narrower|0Related|315
1
doggedly(adverb, resolutely)
1
doubtlessly
1
drastically(unmistakably, prohibitively, notably, radically, appreciably)
1
earnestly
1
essentially(adverb, greatness)
1
extensively(adverb, pretty, absolutely, far, much)
1
faithfully(adverb, resolutely)
1
fearlessly(adverb, resolutely)
1
finally
1
firm
1
for a certainty(expression, idiom)
1
for certain
1
for real
1
for sure
1
forsooth
1
gravely
1
grievously
1
hammer and tongs(expression, idiom)
1
harmfully
1
heartily(adverb, resolutely)
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ChicagoSmart Define. 2015. "decidedly thesaurus" https://smartdefine.org/decidedly/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, decidedly thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/decidedly/thesaurus/synonyms>.
MLASmart Define. "decidedly thesaurus" 14 April 2015. Web. 22 September 2026. <https://smartdefine.org/decidedly/thesaurus/synonyms>