385 entries under adjective topic. ×

6
heavy(person, body, strong, hard)
6
inflexible(close, strong, hard, tough)
6
iron
5
dependable(strong, tough, firm, solid)
5
enduring(calm, strong, sound, secure)
5
flourishing(strong, tough, fit, solid)
5
formidable(strong, prevailing, influential, commanding)
5
massive(person, body, strong, powerful)
5
puissant(strong, sound, strength, energetic)
5
red-blooded(strong, tough, intense, energetic)
5
rigid(close, set, strong, hard)
5
unfaltering(firm, solid, determined, stable)
5
unshakable(strong, hard, tough, continue)
5
virile(strong, tough, fit, fresh)
4
bouncing(strong, tough, intense, energetic)
4
fearless
4
fixed(close, strong, hard, sound)
4
gutsy
4
hale and hearty(expression, idiom, strong, fit)
4
lasting(calm, strong, tough, solid)
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APASmart Define. (2016). sturdy thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/sturdy/thesaurus/synonyms
ChicagoSmart Define. 2016. "sturdy thesaurus" https://smartdefine.org/sturdy/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2016, sturdy thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/sturdy/thesaurus/synonyms>.
MLASmart Define. "sturdy thesaurus" 24 March 2016. Web. 25 September 2026. <https://smartdefine.org/sturdy/thesaurus/synonyms>