190 entries under tough topic. ×

49
rough(adjective, action, calm, quiet, strong)
42
hard(adjective, strong, severe, continue)
35
strong(adjective, hard, sound, fit)
34
severe(adjective, strong, hard, rough)
24
sturdy(adjective, strong, hard, sound)
24
harsh(adjective, strong, hard, smooth)
22
robust(adjective, strong, hard, sound)
20
cruel(adjective, strong, hard, severe)
19
grievous(adjective, hard, severe, difficult)
19
hard-nosed(adjective, strong, hard, severe)
19
serious(adjective, strong, hard, difficult)
19
stubborn(adjective, strong, hard, difficulty)
18
hardy(adjective, strong, sound, continue)
18
painful(adjective, hard, difficult, harsh)
15
powerful(adjective, strong, sound, fit)
14
hale(adjective, strong, sound, fit)
13
husky(adjective, strong, big, coarse)
13
muscular(adjective, strong, sound, fit)
12
healthy(adjective, strong, fit, intense)
12
sound(adjective, strong, fit, solid)
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APASmart Define. (2015). rugged thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/rugged/thesaurus/synonyms
ChicagoSmart Define. 2015. "rugged thesaurus" https://smartdefine.org/rugged/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, rugged thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/rugged/thesaurus/synonyms>.
MLASmart Define. "rugged thesaurus" 14 April 2015. Web. 27 September 2026. <https://smartdefine.org/rugged/thesaurus/synonyms>