12 entries under soundly topic. ×

5
solidly(adverb, severely, thoroughly, strongly, firmly)
5
stably(adverb, well, severely, thoroughly, strongly)
3
strongly(adverb, thoroughly, firmly, definitely, resolutely)
1
fixedly(adverb, severely, thoroughly, strongly, firmly)
1
motionlessly(adverb, well, severely, thoroughly, strongly)
1
rigidly(adverb, well, severely, thoroughly, strongly)
1
securely(adverb, severely, thoroughly, strongly, firmly)
1
solid(adverb, well, severely, thoroughly, strongly)
1
stiffly(adverb, well, severely, thoroughly, strongly)
1
tightly(adverb, severely, thoroughly, strongly, firmly)
1
unflinchingly(adverb, well, severely, thoroughly, strongly)
1
unshakeably(adverb, well, severely, thoroughly, strongly)
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APASmart Define. (2013). durably thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/durably/thesaurus/synonyms
ChicagoSmart Define. 2013. "durably thesaurus" https://smartdefine.org/durably/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2013, durably thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/durably/thesaurus/synonyms>.
MLASmart Define. "durably thesaurus" 17 June 2013. Web. 28 September 2026. <https://smartdefine.org/durably/thesaurus/synonyms>