170 entries under vigorous topic. ×

1
muscled(adjective, strong, healthy, well)
1
noble(smooth, fine, attractive, elegant)
1
persuasive(adjective, strong, great, tough, energetic)
1
powerhouse(adjective, strong, fit, powerful)
1
profuse(adjective, enthusiastic, rank, sincere)
1
resolute(strong, noble, courageous, muscular)
1
right(adjective, strong, great, sound, complete)
1
safe(adjective, strong, complete, secure, solid)
1
sane(adjective, great, sound, complete, right)
1
self-reliant(noble, courageous)
1
stately(smooth, fine, smart, noble)
1
steamroller(adjective, strong, great, tough, energetic)
1
stout-hearted(noble, courageous, muscular, well-built)
1
stud(noble, courageous, muscular, manly)
1
two-fisted(noble, courageous, muscular, well-built)
1
undaunted(determined, noble, resolute, courageous)
1
up to snuff(expression, adjective, idiom, strong, complete)
1
valiant(determined, noble, resolute, courageous)
1
valorous(determined, noble, resolute, stout)
1
wrapped tight(expression, adjective, strong, great, sound)
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APASmart Define. (2016). robust thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/robust/thesaurus/synonyms
ChicagoSmart Define. 2016. "robust thesaurus" https://smartdefine.org/robust/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2016, robust thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/robust/thesaurus/synonyms>.
MLASmart Define. "robust thesaurus" 24 March 2016. Web. 24 September 2026. <https://smartdefine.org/robust/thesaurus/synonyms>