67 entries under trying topic. ×

11
distressing(adjective, severe, rough, harsh, tender)
11
puzzling(adjective, hard, fancy, obscure, strange)
11
uphill(adjective, hard, great, tough, easy)
9
stiff(adjective, hard, tough, severe, rough)
9
tiring(adjective, dull, tough, awkward, boring)
7
effortful(adjective, hard, great, tough, rough)
7
challenging(adjective, hard, great, tough, obscure)
7
problem(noun, adjective, hard, tough, grim)
7
unyielding(adjective, hard, tough, severe, wild)
7
wearisome(adjective, dull, hard, tough, rough)
6
grim(adjective, tough, severe, harsh, unhappy)
6
irritating(adjective, dull, hard, tough, rough)
5
bothersome(adjective, hard, tough, severe, rough)
5
difficile(adjective, hard, tough, rough, heavy)
5
disagreeable(adjective, hard, evil, rough, nasty)
5
labored(adjective, hard, great, tough, rough)
4
rigid(adjective, hard, tough, severe, rough)
4
Gargantuan(adjective, hard, tough, problematic)
4
Herculean(adjective, hard, tough, rough, heavy)
4
boorish(adjective, tough, problematic, perverse)
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APASmart Define. (2016). difficult thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/difficult/thesaurus/synonyms
ChicagoSmart Define. 2016. "difficult thesaurus" https://smartdefine.org/difficult/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2016, difficult thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/difficult/thesaurus/synonyms>.
MLASmart Define. "difficult thesaurus" 24 March 2016. Web. 21 September 2026. <https://smartdefine.org/difficult/thesaurus/synonyms>