112 entries under substantial topic. ×

1
equable(adjective, calm, strong, secure, firm)
1
even(adjective, calm, strong, secure, firm)
1
fixed resistant(expression, calm, strong, solid)
1
hulk(adjective, strong, hard, compact)
1
hunk(adjective, strong, hard, compact)
1
immanent
1
in fine feather(expression, adjective, idiom, strong, sound)
1
nailed(calm, strong, solid, steady)
1
perdurable(calm, strong, tough, solid, steady)
1
poised(adjective, calm, strong, secure, firm)
1
rocklike(adjective, strong, hard, true)
1
rooted(adjective, strong, hard, solid)
1
safe(adjective, calm, strong, complete, secure)
1
set in stone(expression, adjective, idiom, calm, strong)
1
stabile(adjective, calm, strong, secure, firm)
1
stark(adjective, strong, sound, tough, solid)
1
stationary(calm, strong, solid, steady)
1
staying put(expression, calm, strong, solid)
1
substantive
1
together(calm, strong, steady, even)
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APASmart Define. (2016). sturdy thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/sturdy/thesaurus/synonyms
ChicagoSmart Define. 2016. "sturdy thesaurus" https://smartdefine.org/sturdy/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2016, sturdy thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/sturdy/thesaurus/synonyms>.
MLASmart Define. "sturdy thesaurus" 24 March 2016. Web. 26 September 2026. <https://smartdefine.org/sturdy/thesaurus/synonyms>