205 entries under difficult topic. ×

9
distressing(adjective, rough, harsh, tender)
9
effortful(adjective, great, tough, harsh)
9
wearying(adjective, dull, awkward, boring)
8
fatiguing(adjective, dull, awkward, boring)
8
grueling(adjective, severe, harsh, heavy)
8
ticklish(adjective, tough, delicate, tricky)
7
intemperate(adjective, correct, severe, rough)
7
wearisome(adjective, dull, rough, awkward)
6
adverse(adjective, angry, adverse, offended)
6
bothersome(adjective, tough, severe, offensive)
6
contrary(adjective, determined, fixed, angry)
6
critical(adjective, tough, harsh, delicate)
6
definite(adjective, clear, severe, rough)
6
delicate(adjective, complex, stiff, tricky)
6
exigent(adjective, heavy, severity, taxing)
6
irksome(adjective, dull, difficulty, awkward)
6
perplexing(adjective, fancy, obscure, property)
6
violent(adjective, nature, strong, great, tough)
6
wearing(adjective, dull, tough, awkward)
5
diligent(adjective, strong, powerful, tedious)
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APASmart Define. (2016). hard thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/hard/thesaurus/synonyms
ChicagoSmart Define. 2016. "hard thesaurus" https://smartdefine.org/hard/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, hard thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/hard/thesaurus/synonyms>.
MLASmart Define. "hard thesaurus" 24 March 2016. Web. 22 September 2026. <https://smartdefine.org/hard/thesaurus/synonyms>