Synonyms|1.4kAntonyms|650|Broader|15Narrower|0Related|2.9k

128 entries under sturdy topic. ×

3
able-bodied(adjective, strong, sound, tough, fit)
3
colossal(adjective, great, big, awkward, large)
3
fixed(adjective, strong, hard, sound, tough)
3
heavy-duty(adjective, strong, great, sound, tough)
3
resolute(adjective, calm, strong, secure, firm)
3
set(adjective, calm, strong, hard, secure)
3
strapping(adjective, strong, great, sound, tough)
3
well-constructed(complete, solid, vigorous)
2
able(adjective, strong, sound, tough, fit)
2
active(adjective, strong, sound, tough, solid)
2
athletic(adjective, strong, sound, tough, fit)
2
balanced(adjective, calm, strong, secure, firm)
2
certain(adjective, firm, solid, physical, material)
2
complete(great, solid, vigorous, enough)
2
cool(adjective, calm, firm, solid, informal)
2
cumbersome(adjective, big, heavy, awkward, large)
2
imperturbable(adjective, firm, solid, stable, fixed)
2
intense(adjective, firm, solid, enthusiastic, vigorous)
2
mighty(adjective, strong, sound, tough, fit)
2
muscular(adjective, strong, sound, tough, fit)
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APASmart Define. (2016). substantial thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/substantial/thesaurus/synonyms
ChicagoSmart Define. 2016. "substantial thesaurus" https://smartdefine.org/substantial/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2016, substantial thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/substantial/thesaurus/synonyms>.
MLASmart Define. "substantial thesaurus" 24 March 2016. Web. 25 September 2026. <https://smartdefine.org/substantial/thesaurus/synonyms>