65 entries under robust topic. ×

4
dense(adjective, set, strong, hard, tough)
4
potent(adjective, strong, sound, tough, energetic)
4
red-blooded(adjective, strong, tough, intense, energetic)
4
rigid(adjective, strong, hard, tough, severe)
3
energetic(adjective, strong, sound, tough, big)
3
flinty(adjective, strong, hard, tough, harsh)
3
hard as nails(expression, adjective, idiom, set, strong)
3
vital(adjective, strong, tough, intense, energetic)
2
bouncing(adjective, strong, tough, intense, energetic)
2
flourishing(adjective, strong, tough, solid, intense)
2
forcible(adjective, strong, sound, tough, energetic)
2
hardened(adjective, strong, fit, healthy, well)
2
indefatigable(adjective, strong, sound, tough, fit)
2
inured(strong, fit, healthy, well)
2
snappy(adjective, strong, tough, energetic, powerful)
2
zippy(adjective, strong, tough, energetic, powerful)
1
active(adjective, strong, sound, tough, energetic)
1
ball of fire(expression, adjective, idiom, strong, tough)
1
brisk(adjective, strong, tough, intense, energetic)
1
dashing(adjective, strong, tough, energetic, powerful)
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APASmart Define. (2015). rugged thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/rugged/thesaurus/synonyms
ChicagoSmart Define. 2015. "rugged thesaurus" https://smartdefine.org/rugged/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, rugged thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/rugged/thesaurus/synonyms>.
MLASmart Define. "rugged thesaurus" 14 April 2015. Web. 23 September 2026. <https://smartdefine.org/rugged/thesaurus/synonyms>