Synonyms|824Antonyms|194|Broader|4Narrower|14Related|1.2k

51 entries under strong topic. ×

7
perdurable(adjective, calm, tough, continue)
7
unvarying(adjective, calm, secure, firm)
5
tough(adjective, calm, solid, substantial)
4
sturdy(adjective, calm, tough, solid)
3
even(adjective, calm, secure, firm)
3
staunch(calm, firm, solid, certain)
3
uniform(adjective, calm, secure, firm)
2
deep-rooted(adjective, calm, solid, steady)
2
reliable(adjective, calm, tough, solid)
2
resolute(calm, firm, solid, true)
2
secure(calm, firm, solid, true)
2
set(adjective, calm, firm, solid)
2
solid(calm, certain, steady, substantial)
2
unbreakable(adjective, tough)
2
well-built(calm, solid, steady, substantial)
2
well-founded(calm, solid, steady, substantial)
1
anchored(calm, solid, steady, substantial)
1
balanced(calm, solid, steady, substantial)
1
brick-wall(calm, solid, steady, substantial)
1
calm(solid, steady, substantial, even)
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ChicagoSmart Define. 2016. "lasting thesaurus" https://smartdefine.org/lasting/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, lasting thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/lasting/thesaurus/synonyms>.
MLASmart Define. "lasting thesaurus" 26 February 2016. Web. 23 September 2026. <https://smartdefine.org/lasting/thesaurus/synonyms>