14 entries under expression topic. ×

2
without end(absolute, endless, lasting, immense)
1
fixed resistant(calm, strong, solid, substantial)
1
in for the long haul(idiom, stable, constant, enduring)
1
of long duration
1
of long standing
1
set in stone(idiom, calm, strong, constant)
1
solid as a rock(idiom, calm, strong, substantial)
1
staying put(calm, strong, solid, substantial)
1
till the cows come home(idiom, permanent, long-term, lifelong)
0
continuing long
0
for keeps(stable, constant, enduring, lasting)
0
forever and a day(idiom, stable, constant, lasting)
0
set in concrete(stable, constant, enduring, lasting)
0
very durable
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APASmart Define. (2016). perdurable thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/perdurable/thesaurus/synonyms
ChicagoSmart Define. 2016. "perdurable thesaurus" https://smartdefine.org/perdurable/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2016, perdurable thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/perdurable/thesaurus/synonyms>.
MLASmart Define. "perdurable thesaurus" 3 March 2016. Web. 21 September 2026. <https://smartdefine.org/perdurable/thesaurus/synonyms>