Synonyms|347Antonyms|17|Broader|6Narrower|0Related|41

47 entries under substantial topic. ×

1
perdurable(calm, strong, solid, steady)
1
poised(calm, strong, solid, steady)
1
reliable(calm, strong, solid, steady)
1
resolute(adjective, calm, strong, solid, steady)
1
safe(calm, strong, solid, steady)
1
secure(calm, strong, solid, steady)
1
set in stone(expression, idiom, calm, strong)
1
solid(adjective, calm, strong, steady)
1
solid as a rock(expression, idiom, calm, strong)
1
sound(adjective, calm, strong, solid, steady)
1
stabile(calm, strong, solid, steady)
1
stalwart(calm, strong, solid, steady)
1
stationary(calm, strong, solid, steady)
1
staunch(adjective, calm, strong, solid, steady)
1
staying put(expression, calm, strong, solid)
1
stout(adjective, calm, strong, solid, steady)
1
sturdy(adjective, calm, strong, solid, steady)
1
sure(adjective, calm, strong, solid, steady)
1
together(calm, strong, solid, steady)
1
tough(calm, strong, solid, steady)
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ChicagoSmart Define. 2016. "deep-rooted thesaurus" https://smartdefine.org/deep-rooted/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2016, deep-rooted thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/deep-rooted/thesaurus/synonyms>.
MLASmart Define. "deep-rooted thesaurus" 26 February 2016. Web. 26 September 2026. <https://smartdefine.org/deep-rooted/thesaurus/synonyms>