109 entries under tough topic. ×

3
solid(adjective, strong, hard, sound)
3
stable(adjective, strong, sound, solid)
3
toughened
2
active(adjective, strong, sound, solid)
2
durable(adjective, strong, hard, sound)
2
elastic
2
lank(adjective, thin, spare, bare)
2
lanky(adjective, thin, spare, bare)
2
sound(adjective, strong, fit, solid)
2
staunch(adjective, strong, sound, fit)
2
tenacious(adjective, strong, hard, sound)
2
thin(adjective, spare, bare, slim)
2
well-built(adjective, strong, sound, solid)
1
able(adjective, strong, sound, fit)
1
big(adjective, strong, sound, solid)
1
boisterous(strong, fit, healthy, well)
1
booming(strong, fit, healthy, well)
1
built(strong, fit, healthy, well)
1
capable(adjective, strong, sound, fit)
1
concentrated(strong, fit, healthy, well)
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APASmart Define. (2015). sinewy thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/sinewy/thesaurus/synonyms
ChicagoSmart Define. 2015. "sinewy thesaurus" https://smartdefine.org/sinewy/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2015, sinewy thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/sinewy/thesaurus/synonyms>.
MLASmart Define. "sinewy thesaurus" 20 July 2015. Web. 29 September 2026. <https://smartdefine.org/sinewy/thesaurus/synonyms>