190 entries under tough topic. ×

2
robustious(strong, fit, healthy, well)
2
robustuous(strong, fit, healthy, well)
2
slavish(adjective, rough, difficult, heavy)
2
snappy(adjective, strong, energetic, powerful)
2
stringent(adjective, hard, severe, rough)
2
unbreakable(adjective, strong)
2
unpleasant(adjective, hard, severe, evil)
2
unsparing(adjective, strong, hard, severe)
2
wearing(adjective, rough, difficult, heavy)
2
wearisome(adjective, hard, rough, difficult)
2
wearying(adjective, rough, difficult, heavy)
2
wicked(adjective, strong, severe, fit)
2
zippy(adjective, strong, energetic, powerful)
1
active(adjective, strong, sound, energetic)
1
ball of fire(expression, adjective, idiom, strong)
1
booming(strong, fit, healthy, well)
1
brisk(adjective, strong, intense, energetic)
1
built(strong, fit, healthy, well)
1
concentrated(strong, fit, healthy, well)
1
dashing(adjective, strong, energetic, powerful)
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APASmart Define. (2015). rugged thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/rugged/thesaurus/synonyms
ChicagoSmart Define. 2015. "rugged thesaurus" https://smartdefine.org/rugged/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2015, rugged thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/rugged/thesaurus/synonyms>.
MLASmart Define. "rugged thesaurus" 14 April 2015. Web. 29 September 2026. <https://smartdefine.org/rugged/thesaurus/synonyms>