103 entries under hard topic. ×

67
strong(adjective, calm, person, body, strong)
39
tough(adjective, calm, person, body, strong)
34
firm(noun, adjective, calm, strong)
34
robust(adjective, person, body, strong)
29
rugged(adjective, strong, sound, tough)
28
solid(adjective, calm, person, body, strong)
25
husky(adjective, person, body, strong)
24
substantial(adjective, calm, strong, sound)
22
sound(noun, adjective, calm, strong)
17
hefty(adjective, person, body, strong)
16
stable(adjective, strong, sound, complete)
10
indomitable(adjective, strong, great, tough)
10
unyielding(adjective, strong, sound, tough)
9
secure(verb, adjective, calm, strong)
7
stiff(adjective, strong, tough, solid)
6
adamantine(adjective, strong, strength, tough)
6
heavy(adjective, person, body, strong)
6
inflexible(adjective, close, strong, tough)
5
rigid(adjective, close, set, strong)
5
unshakable(adjective, strong, tough, continue)
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APASmart Define. (2016). sturdy thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/sturdy/thesaurus/synonyms
ChicagoSmart Define. 2016. "sturdy thesaurus" https://smartdefine.org/sturdy/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, sturdy thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/sturdy/thesaurus/synonyms>.
MLASmart Define. "sturdy thesaurus" 24 March 2016. Web. 23 September 2026. <https://smartdefine.org/sturdy/thesaurus/synonyms>