Synonyms|172Antonyms|16|Broader|1Narrower|0Related|28

68 entries under constant topic. ×

1
balanced(calm, strong, solid, steady, substantial)
1
brick-wall(calm, strong, solid, steady, substantial)
1
calm(strong, solid, steady, substantial, even)
1
deep-rooted(calm, strong, solid, steady, substantial)
1
equable(calm, strong, solid, steady, substantial)
1
even(calm, strong, solid, steady, substantial)
1
fast(calm, strong, tough, solid, substantial)
1
firm(calm, strong, tough, steady, even)
1
fixed(tough, stable, sturdy, enduring)
1
fixed resistant(expression, calm, strong, solid, substantial)
1
forever(stable, enduring, lasting, permanent)
1
in for the long haul(expression, idiom, stable, enduring)
1
invariable(calm, strong, solid, steady, substantial)
1
nailed(calm, strong, solid, steady, substantial)
1
poised(calm, strong, solid, steady, substantial)
1
reliable(calm, strong, tough, solid, substantial)
1
resolute(calm, strong, solid, steady, substantial)
1
safe(calm, strong, solid, steady, substantial)
1
secure(calm, strong, solid, steady, substantial)
1
set(calm, strong, solid, steady, substantial)
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APASmart Define. (2016). perdurable thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/perdurable/thesaurus/synonyms
ChicagoSmart Define. 2016. "perdurable thesaurus" https://smartdefine.org/perdurable/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, perdurable thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/perdurable/thesaurus/synonyms>.
MLASmart Define. "perdurable thesaurus" 3 March 2016. Web. 22 September 2026. <https://smartdefine.org/perdurable/thesaurus/synonyms>