161 entries under tough topic. ×

7
rigorous(adjective, strong, hard, severe)
7
stern(adjective, hard, severe, difficult)
6
strenuous(adjective, action, hard, great)
6
strong(adjective, hard, intense, violent)
6
unfeeling(adjective, dull, hard, severe)
5
awful(adjective, bad, poor, nasty)
5
callous(verb, adjective, person, dull, hard)
5
exacting(adjective, hard, severe, difficult)
5
grim(adjective, strong, hard, severe)
5
hard-boiled(adjective, person, strong, hard, simple)
5
onerous(adjective, hard, great, severe)
5
thick(adjective, strong, hard, simple)
5
uphill(adjective, hard, great, difficult)
4
effortful(adjective, great, difficult, heavy)
4
inflexible(adjective, person, strong, hard)
4
troublesome(adjective, hard, severe, nasty)
4
unsparing(adjective, strong, hard, difficult)
3
bothersome(adjective, difficult, heavy, awkward)
3
challenging(adjective, great, difficult, terrible)
3
distressing(adjective, hard, difficult, heavy)
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APASmart Define. (2016). rough thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/rough/thesaurus/synonyms
ChicagoSmart Define. 2016. "rough thesaurus" https://smartdefine.org/rough/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2016, rough thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/rough/thesaurus/synonyms>.
MLASmart Define. "rough thesaurus" 29 March 2016. Web. 25 September 2026. <https://smartdefine.org/rough/thesaurus/synonyms>