100 entries under sturdy topic. ×

2
robust(adjective, person, body, strong, hard)
2
stable(adjective, strong, hard, sound, tough)
2
stalwart(adjective, person, body, strong, sound)
2
steady(adjective, strong, sound, tough, solid)
2
tenacious(adjective, strong, sound, tough, solid)
2
vigorous(adjective, strong, sound, tough, severe)
2
well-founded(adjective, strong, sound, tough, solid)
2
well-made(adjective, strong, sound, tough, solid)
1
able(adjective, good, bad, strong, sound)
1
austere(adjective, quiet, strong, hard, tough)
1
capable(adjective, strong, sound, tough, solid)
1
energetic(adjective, strong, sound, tough, solid)
1
fixed(adjective, set, strong, hard, sound)
1
grim(adjective, dull, quiet, strong, hard)
1
hale(adjective, strong, sound, tough, solid)
1
hard as nails(expression, adjective, idiom, strong, hard)
1
implacable(adjective, strong, hard, tough, harsh)
1
in fine feather(expression, adjective, idiom, strong, sound)
1
inexorable(adjective, strong, hard, tough, severe)
1
inflexible(adjective, strong, hard, tough, severe)
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APASmart Define. (2016). heavy thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/heavy/thesaurus/synonyms
ChicagoSmart Define. 2016. "heavy thesaurus" https://smartdefine.org/heavy/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2016, heavy thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/heavy/thesaurus/synonyms>.
MLASmart Define. "heavy thesaurus" 25 January 2016. Web. 27 September 2026. <https://smartdefine.org/heavy/thesaurus/synonyms>