107 entries under rough topic. ×

1
malicious(adjective, hard, evil, nasty)
1
malign(adjective, hard, evil, nasty)
1
merciless(adjective, tough, severe, harsh)
1
murder(adjective, hard, great, tough)
1
perfidious(adjective, hard, evil, nasty)
1
pesky(adjective, hard, tough, severe, evil)
1
rotten(adjective, hard, evil, nasty)
1
scurrilous(adjective, hard, evil, nasty)
1
shameless(adjective, hard, evil, nasty)
1
sinking(adjective, hard, evil, nasty)
1
snide(adjective, hard, evil, nasty)
1
sour(adjective, hard, tough, evil)
1
tired(adjective, dull, boring, painful)
1
touch(adjective, hard, evil, nasty)
1
turbulent(adjective, hard, severe, irritable)
1
unscrupulous(adjective, hard, evil, nasty)
1
vicious(adjective, hard, evil, nasty)
1
vile(adjective, hard, evil, nasty)
1
violent(adjective, hard, severe, harsh)
0
broken(adjective, uneven, bumpy, rocky)
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APASmart Define. (2016). difficult thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/difficult/thesaurus/synonyms
ChicagoSmart Define. 2016. "difficult thesaurus" https://smartdefine.org/difficult/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, difficult thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/difficult/thesaurus/synonyms>.
MLASmart Define. "difficult thesaurus" 24 March 2016. Web. 22 September 2026. <https://smartdefine.org/difficult/thesaurus/synonyms>