68 entries under demanding topic. ×

6
formidable(adjective, hard, tough, severe, evil)
6
rough(adjective, hard, tough, severe, nasty)
6
uphill(adjective, tough, severe, difficult, awkward)
5
strenuous(adjective, tough, severe, difficult, awkward)
5
complex(adjective, hard, fancy, difficult, delicate)
5
complicated(adjective, hard, severe, rough, difficult)
5
grueling(adjective, hard, tough, severe, difficult)
5
importunate(adjective, insistent, bothersome, worrisome)
5
mean(adjective, hard, easy, slang, rough)
5
operose(adjective, tough, severe, difficulty, difficult)
5
perplexing(adjective, hard, fancy, difficult, complex)
5
terrible(adjective, severe, difficult, tender, unpleasant)
4
intricate(adjective, hard, tough, fancy, severe)
4
labored(adjective, tough, severe, difficult, awkward)
4
rugged(adjective, hard, tough, evil, rough)
4
sticky(adjective, tough, rough, difficult, heavy)
3
wicked(adjective, hard, easy, severe, difficult)
3
exacting(adjective, hard, tough, severe, difficult)
3
grinding(adjective, rough, difficult, harsh, heavy)
3
herculean(adjective, tough, severe, rough, difficult)
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APASmart Define. (2016). troublesome thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/troublesome/thesaurus/synonyms
ChicagoSmart Define. 2016. "troublesome thesaurus" https://smartdefine.org/troublesome/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2016, troublesome thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/troublesome/thesaurus/synonyms>.
MLASmart Define. "troublesome thesaurus" 24 March 2016. Web. 28 September 2026. <https://smartdefine.org/troublesome/thesaurus/synonyms>