112 entries under difficult topic. ×

9
thorny(adjective, hard, rough, delicate)
9
tricky(adjective, hard, tough, complex)
8
heavy(adjective, tough, severe, harsh)
7
knotty(adjective, hard, fancy, complex)
7
taxing(adjective, hard, tough, severe)
7
ticklish(adjective, hard, tough, delicate)
6
formidable(adjective, hard, tough, severe, evil)
6
rough(adjective, hard, tough, severe, nasty)
6
uphill(adjective, tough, severe, awkward)
5
strenuous(adjective, tough, severe, awkward)
5
adverse(adjective, unpleasant, negative, critical)
5
complex(adjective, hard, fancy, delicate)
5
complicated(adjective, hard, severe, rough)
5
grueling(adjective, hard, tough, severe)
5
mean(adjective, hard, easy, slang, rough)
5
operose(adjective, tough, severe, difficulty)
5
perplexing(adjective, hard, fancy, complex)
5
problematic(adjective, hard, tough, fancy, severe)
5
terrible(adjective, severe, tender, unpleasant)
4
contrary(adjective, unpleasant, negative, critical)
10 years ago|22k views|share |citing 
APASmart Define. (2016). troublesome thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/troublesome/thesaurus/synonyms
ChicagoSmart Define. 2016. "troublesome thesaurus" https://smartdefine.org/troublesome/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, troublesome thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/troublesome/thesaurus/synonyms>.
MLASmart Define. "troublesome thesaurus" 24 March 2016. Web. 22 September 2026. <https://smartdefine.org/troublesome/thesaurus/synonyms>