54 entries under strong topic. ×

1
staying put(expression, calm, solid, substantial)
1
stout(calm, tough, solid, substantial)
1
sturdy(calm, tough, solid, steady)
1
substantial(calm, tough, solid, steady)
1
sure(calm, solid, steady, substantial)
1
together(calm, solid, steady, substantial)
1
unalterable(calm, solid, steady, substantial)
1
unchangeable(calm, solid, steady, substantial)
1
unfluctuating(calm, solid, steady, substantial)
1
uniform(calm, solid, steady, substantial)
1
unvarying(calm, solid, steady, substantial)
1
unwavering(calm, solid, steady, substantial)
1
well-built(calm, solid, steady, substantial)
1
well-founded(calm, solid, steady, substantial)
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APASmart Define. (2016). perdurable thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/perdurable/thesaurus/synonyms
ChicagoSmart Define. 2016. "perdurable thesaurus" https://smartdefine.org/perdurable/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2016, perdurable thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/perdurable/thesaurus/synonyms>.
MLASmart Define. "perdurable thesaurus" 3 March 2016. Web. 24 September 2026. <https://smartdefine.org/perdurable/thesaurus/synonyms>