183 entries under adverb topic. ×

14
firmly(firm, fast, intensely, fiercely)
12
constantly(definitely, resolutely, steadily, determinedly)
10
resolutely(definitely, tenaciously, determinedly, obstinately)
9
faithfully(tenaciously, steadily, loyally, stalwartly)
9
unwaveringly(resolutely, determinedly, obstinately, stubbornly)
8
firm(hard, fast, severely, thoroughly)
8
steadily(firm, firmly, definitely, resolutely)
7
invariably(steadily, stably)
7
persistently(tenaciously, stably)
7
staunchly
6
determinedly
6
fast(adjective, close, firm, intensely)
6
hard(firm, fast, severely, thoroughly)
6
permanently
6
regularly
6
solidly(hard, firm, fast, severely)
5
durably(definitely, resolutely, stably, inflexibly)
5
earnestly(fast, intensely, fiercely, violently)
5
immovably
5
intently
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APASmart Define. (2015). steadfastly thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/steadfastly/thesaurus/synonyms
ChicagoSmart Define. 2015. "steadfastly thesaurus" https://smartdefine.org/steadfastly/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, steadfastly thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/steadfastly/thesaurus/synonyms>.
MLASmart Define. "steadfastly thesaurus" 14 April 2015. Web. 22 September 2026. <https://smartdefine.org/steadfastly/thesaurus/synonyms>