95 entries under strong topic. ×

1
persuasive(energetic, vigorous, effective, prevailing)
1
reinforced(adjective, sound, tough, solid)
1
robust(adjective, sound, tough, fit)
1
rugged(sound, fit, heavy, powerful)
1
secure(adjective, sound, tough, solid)
1
sinewy(adjective, sound, tough, fit)
1
solid(adjective, sound, tough, fit)
1
sound(adjective, direct, tough, fit)
1
stable(adjective, sound, tough, solid)
1
stalwart(adjective, sound, tough, fit)
1
stark(adjective, sound, tough, solid)
1
staunch(adjective, sound, tough, fit)
1
steady(adjective, sound, tough, solid)
1
stout(adjective, sound, tough, fit)
1
strapping(adjective, sound, tough, fit)
1
sturdy(adjective, sound, tough, fit)
1
substantial(adjective, sound, tough, fit)
1
telling(adjective, energetic, vigorous, effective)
1
tenacious(adjective, sound, tough, fit)
1
tough(sound, fit, heavy, healthy)
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APASmart Define. (2015). capable thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/capable/thesaurus/synonyms
ChicagoSmart Define. 2015. "capable thesaurus" https://smartdefine.org/capable/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, capable thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/capable/thesaurus/synonyms>.
MLASmart Define. "capable thesaurus" 23 September 2015. Web. 22 September 2026. <https://smartdefine.org/capable/thesaurus/synonyms>