85 entries under tough topic. ×

11
hale(adjective, strong, sound, fit)
11
hearty(adjective, person, body, strong, sound)
11
solid(adjective, calm, person, body, strong)
11
tenacious(adjective, strong, sound, fit)
11
undaunted(adjective, strong, bold, spirited)
10
mighty(adjective, person, body, strong, great)
9
able-bodied(adjective, person, body, strong, sound)
8
sinewy(adjective, strong, hard, sound, strength)
8
substantial(adjective, calm, strong, sound, secure)
7
audacious(adjective, strong, bold, spirited)
7
healthy(adjective, strong, hard, sound)
6
durable(adjective, calm, strong, sound, secure)
6
sound(adjective, calm, strong, fit)
6
unyielding(adjective, strong, hard, sound)
5
forceful(adjective, strong, great, sound)
5
game(strong, bold, spirited, brave)
5
potent(adjective, strong, great, sound)
5
red-blooded(adjective, strong, lively, active)
5
stable(adjective, strong, sound, firm)
4
daredevil(adjective, person, strong, feelings)
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APASmart Define. (2016). stalwart thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/stalwart/thesaurus/synonyms
ChicagoSmart Define. 2016. "stalwart thesaurus" https://smartdefine.org/stalwart/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2016, stalwart thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/stalwart/thesaurus/synonyms>.
MLASmart Define. "stalwart thesaurus" 23 March 2016. Web. 30 September 2026. <https://smartdefine.org/stalwart/thesaurus/synonyms>