116 entries under tough topic. ×

3
serious(adjective, close, strong, hard)
3
unsparing(adjective, close, strong, hard)
2
astringent(adjective, close, strong, hard)
2
authoritarian(adjective, strong, hard, severe)
2
dedicated(adjective, clear, severe, determined)
2
hard-core(adjective, strong, hard, firm)
2
hard-line(adjective, strong, hard, rough)
2
indomitable(adjective, strong, hard, difficult)
2
rough(adjective, strong, hard, severe)
2
sturdy(adjective, close, strong, hard)
2
unpliable(difficult, obstinate, stubborn, willful)
1
awkward(difficult, stiff, obstinate, stubborn)
1
balky(adjective, firm, unreasonable, grim)
1
cantankerous(firm, difficult, unreasonable, grim)
1
contumacious(adjective, firm, unreasonable, grim)
1
cussed(firm, unreasonable, grim, inflexible)
1
dense(adjective, close, strong, hard)
1
difficult(obstinate, stubborn, willful)
1
dyed-in-the-wool(adjective, set, strong, hard)
1
fierce(adjective, clear, hard, severe)
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APASmart Define. (2016). unbending thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/unbending/thesaurus/synonyms
ChicagoSmart Define. 2016. "unbending thesaurus" https://smartdefine.org/unbending/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2016, unbending thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/unbending/thesaurus/synonyms>.
MLASmart Define. "unbending thesaurus" 24 March 2016. Web. 20 September 2026. <https://smartdefine.org/unbending/thesaurus/synonyms>