109 entries under tough topic. ×

24
muscular(adjective, strong, sound, strength)
24
powerful(adjective, strong, sound, solid)
20
brawny(adjective, strong, strength, fit)
17
sturdy(adjective, strong, sound, solid)
15
strong(adjective, strong, sound, fit)
15
robust(adjective, strong, hard, sound)
14
stout(adjective, strong, sound, solid)
13
hefty(adjective, strong, fit, solid)
13
mighty(adjective, strong, hard, sound)
12
fibrous(adjective, strong, thin, narrow)
12
vigorous(adjective, strong, sound, solid)
12
wiry(adjective, strong, strength, thin)
11
athletic(adjective, strong, sound, strength)
11
rugged(adjective, strong, sound, fit)
11
stringy(adjective, strong, thin, spare)
10
husky(adjective, strong, fit, big)
10
strapping(adjective, strong, sound, strength)
9
leathery(adjective, stringy)
8
firm(noun, adjective, strong, stringy)
8
hard(adjective, strong, muscular, wiry)
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APASmart Define. (2015). sinewy thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/sinewy/thesaurus/synonyms
ChicagoSmart Define. 2015. "sinewy thesaurus" https://smartdefine.org/sinewy/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, sinewy thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/sinewy/thesaurus/synonyms>.
MLASmart Define. "sinewy thesaurus" 20 July 2015. Web. 28 September 2026. <https://smartdefine.org/sinewy/thesaurus/synonyms>