52 entries under powerfully topic. ×

22
solidly(adverb, firm, fast, severely, intensely)
15
steadfastly(adverb, firm, fast, intensely, fiercely)
13
strongly(adverb, fast, severely, intensely, fiercely)
11
tightly(adverb, firm, fast, severely, thoroughly)
9
fast(adjective, adverb, firm, severely, junction)
7
firm(adverb, fast, severely, thoroughly, intensely)
6
energetically(adverb, fast, fully, intensely, fiercely)
6
sturdily(adverb, fully, strongly, greatly)
6
vigorously(adverb, fast, fully, intensely, fiercely)
4
close(adverb, fast, intensely, fiercely, violently)
4
earnestly(adverb, fast, intensely, fiercely, quickly)
4
forcibly(adverb, fast, fully, intensely, fiercely)
4
hard(adjective, adverb, firm, fast, badly)
4
heavily(adverb, fast, fully, intensely, fiercely)
4
sharply(adverb, hard, fast, badly, severely)
4
stalwartly(adverb, faithfully, steadfastly, loyally)
4
tight(adverb, firm, fast, severely, thoroughly)
2
intensely(adverb, fast, badly, severely, fiercely)
2
relentlessly(adverb, fast, intensely, fiercely, violently)
2
rigorously(adverb, fast, badly, severely, intensely)
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APASmart Define. (2015). firmly thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/firmly/thesaurus/synonyms
ChicagoSmart Define. 2015. "firmly thesaurus" https://smartdefine.org/firmly/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, firmly thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/firmly/thesaurus/synonyms>.
MLASmart Define. "firmly thesaurus" 14 April 2015. Web. 22 September 2026. <https://smartdefine.org/firmly/thesaurus/synonyms>