147 entries under sturdy topic. ×

2
indestructible(adjective, tough, constant, enduring)
2
perduring(tough, constant, enduring, lasting)
2
physical(adjective, strong, hard, solid, material)
2
right(adjective, direct, sound, complete, smooth)
2
rooted(adjective, strong, hard, secure, solid)
2
set in stone(expression, adjective, idiom, secure, firm)
2
staid(adjective, firm, solid, thoughtful, fixed)
1
able(adjective, strong, sound, tough, easy)
1
active(adjective, strong, sound, tough, solid)
1
ardent(adjective, firm, solid, true, fixed)
1
athletic(adjective, strong, sound, tough, solid)
1
big(adjective, strong, sound, tough, solid)
1
brick-wall(adjective, firm, solid, steady, fixed)
1
brick wall(expression, adjective, strong, hard, steady)
1
capable(adjective, strong, sound, tough, solid)
1
fit(adjective, sound, complete, solid, vigorous)
1
flawless(complete, clean, solid, pure, vigorous)
1
forceful(adjective, strong, sound, tough, solid)
1
forcible(adjective, strong, sound, tough, solid)
1
hard as nails(expression, adjective, idiom, strong, sound)
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APASmart Define. (2015). stable thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/stable/thesaurus/synonyms
ChicagoSmart Define. 2015. "stable thesaurus" https://smartdefine.org/stable/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, stable thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/stable/thesaurus/synonyms>.
MLASmart Define. "stable thesaurus" 10 April 2015. Web. 25 September 2026. <https://smartdefine.org/stable/thesaurus/synonyms>