33 entries under strongly topic. ×

13
strongly(adverb, fast, severely, intensely, fiercely)
11
rigidly(adverb, severely, definitely, strictly)
11
stiffly(adverb, severely, definitely, sharply)
9
resolutely(adverb, quickly, energetically, stubbornly)
9
fast(adjective, adverb, firm, severely, junction)
9
stably(adverb, severely, definitely, strictly)
6
closely(adverb, severely, thoroughly, carefully)
6
energetically(adverb, fast, fully, intensely, fiercely)
6
inflexibly(adverb, definitely, rigidly, obstinately)
6
powerfully(adverb, fast, fully, intensely, fiercely)
6
stoutly(adverb, fully, quickly, heavily)
6
sturdily(adverb, fully, powerfully, greatly)
6
vigorously(adverb, fast, fully, intensely, fiercely)
4
durably(adverb, severely, definitely, strictly)
4
earnestly(adverb, fast, intensely, fiercely, quickly)
4
heavily(adverb, fast, fully, intensely, fiercely)
4
mightily
4
robustly
4
solid(adjective, adverb, severely, definitely)
4
soundly(adverb, firm, severely, thoroughly)
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APASmart Define. (2015). firmly thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/firmly/thesaurus/synonyms
ChicagoSmart Define. 2015. "firmly thesaurus" https://smartdefine.org/firmly/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, firmly thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/firmly/thesaurus/synonyms>.
MLASmart Define. "firmly thesaurus" 14 April 2015. Web. 24 September 2026. <https://smartdefine.org/firmly/thesaurus/synonyms>