119 entries under sturdy topic. ×

6
rough(adjective, strong, hard, simple, tough)
4
big(adjective, person, body, strong, sound)
3
adamantine(adjective, strong, hard, strength, tough)
3
inflexible(adjective, strong, hard, tough, solid)
3
secure(verb, adjective, strong, sound, tough)
3
stocky(adjective, person, body, strong, large)
3
thickset(adjective, person, body, strong, large)
2
austere(adjective, strong, hard, tough)
2
dense(adjective, person, body, strong, hard)
2
hard as nails(expression, adjective, idiom, strong, hard)
2
harsh(adjective, strong, hard, tough)
2
heavy(adjective, person, body, strong, hard)
2
hulking(strong, solid, large, brawny)
2
severe(adjective, strong, hard, tough)
2
sizable(adjective, enthusiastic, vigorous, large, sincere)
2
steely(adjective, strong, hard, tough)
2
tenacious(adjective, strong, sound, secure, tough)
2
thick(adjective, person, body, strong, hard)
2
unrelenting(adjective, strong, hard, tough)
1
bitter(adjective, strong, hard, tough)
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APASmart Define. (2016). robust thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/robust/thesaurus/synonyms
ChicagoSmart Define. 2016. "robust thesaurus" https://smartdefine.org/robust/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2016, robust thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/robust/thesaurus/synonyms>.
MLASmart Define. "robust thesaurus" 24 March 2016. Web. 24 September 2026. <https://smartdefine.org/robust/thesaurus/synonyms>