4
manifestly
4
much(adverb, lot, badly, absolutely, far)
4
plainly
4
quite(adverb, badly, very, severely, much)
4
really
4
resolutely(adverb, resolutely)
3
beyond doubt
3
categorically
3
considerably(adverb, pretty, absolutely, far, much)
3
devotedly(adverb, resolutely)
3
far and away(expression, idiom)
3
firmly
3
fixedly
3
in spades(expression, idiom, adverb, absolutely, definitely)
3
incomparably(adverb, absolutely, completely, much, extremely)
3
noticeably(adverb, pretty, absolutely, positively, certainly)
3
patently
3
persistently(adverb, resolutely)
3
relentlessly(adverb, resolutely)
3
resolvedly
11 years ago|6.4k views|share |citing 
APASmart Define. (2015). decidedly thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/decidedly/thesaurus/synonyms
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>