107 entries under rough topic. ×

5
disagreeable(adjective, hard, evil, nasty)
5
labored(adjective, hard, great, tough)
5
rocky(adjective, delicate, awkward, troubled)
5
sharp(adjective, harsh, tender, cruel)
4
rigid(adjective, hard, tough, severe)
4
Herculean(adjective, hard, tough, heavy)
4
no picnic(expression, adjective, hard, tough)
4
scabrous(adjective, tough, heavy, awkward)
4
uncompromising(tough, obstinate, stubborn, willful)
4
vexatious(adjective, dull, hard, severe, evil)
3
mean(adjective, hard, tough, severe)
3
rude(adjective, hard, tough, nasty)
3
stern(adjective, hard, severe, harsh)
3
strict(adjective, hard, tough, severe)
3
treacherous(adjective, hard, severe, evil)
2
bad-tempered(adjective, hard, evil, nasty)
2
disturbed(adjective, painful, sore, itchy)
2
evil(adjective, hard, nasty, rude)
2
hostile(adjective, hard, evil, nasty)
2
irregular(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>