10 entries under firmly topic. ×

10
mightily(adverb, powerfully, energetically, forcefully)
7
forcefully(adverb, fiercely, roughly, powerfully)
4
robustly(adverb, powerfully, energetically, mightily)
4
sturdily(adverb, powerfully, mightily, stably)
4
steadfastly(adverb, fast, intensely, fiercely, violently)
3
solidly(adverb, fast, severely, thoroughly, intensely)
2
fast(adjective, adverb, well, severely, thoroughly)
2
hard(adjective, adverb, authority, fast, severely)
2
tightly(adverb, fast, severely, thoroughly, intensely)
1
tight(adverb, fast, severely, thoroughly, intensely)
11 years ago|16k views|share |citing 
APASmart Define. (2015). strongly thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/strongly/thesaurus/synonyms
ChicagoSmart Define. 2015. "strongly thesaurus" https://smartdefine.org/strongly/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, strongly thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/strongly/thesaurus/synonyms>.
MLASmart Define. "strongly thesaurus" 14 April 2015. Web. 24 September 2026. <https://smartdefine.org/strongly/thesaurus/synonyms>