1
consistently(adverb, stably)
1
continuously(adverb, stably)
1
fast
1
fixedly(adverb, severely, thoroughly, strongly, firmly)
1
hardly
1
immovably(adverb, stably)
1
incessantly
1
interminably
1
invariably(adverb, stably)
1
lengthily
1
like a rock(expression, idiom, adverb, thoroughly, strongly)
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
soundly(adverb, well, severely, thoroughly, strongly)
1
stiffly(adverb, well, severely, thoroughly, strongly)
1
stoutly
1
tightly(adverb, severely, thoroughly, strongly, firmly)
1
toughly
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APASmart Define. (2013). durably thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/durably/thesaurus/synonyms
ChicagoSmart Define. 2013. "durably thesaurus" https://smartdefine.org/durably/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2013, durably thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/durably/thesaurus/synonyms>.
MLASmart Define. "durably thesaurus" 17 June 2013. Web. 22 September 2026. <https://smartdefine.org/durably/thesaurus/synonyms>