15 entries under firm topic. ×

6
firmly(adverb, severely, thoroughly, strongly)
5
fast(adjective, thoroughly, strongly, firmly)
3
securely(adverb, hard, severely, thoroughly)
3
solidly(adverb, hard, severely, thoroughly)
2
deeply(adverb, hard, firmly)
1
fixedly(adverb, hard, severely, thoroughly)
1
hard(strongly, firmly, definitely, resolutely)
1
steadily(strongly, firmly, definitely, resolutely)
1
tight(hard, thoroughly, strongly, firmly)
1
tightly(adverb, hard, severely, thoroughly)
0
fixed
0
stable
0
steadfastly(hard, firmly, definitely, resolutely)
0
steady
0
tenaciously(firmly, definitely, resolutely, inflexibly)
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APASmart Define. (2015). soundly thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/soundly/thesaurus/synonyms
ChicagoSmart Define. 2015. "soundly thesaurus" https://smartdefine.org/soundly/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, soundly thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/soundly/thesaurus/synonyms>.
MLASmart Define. "soundly thesaurus" 14 April 2015. Web. 25 September 2026. <https://smartdefine.org/soundly/thesaurus/synonyms>