54 entries under problematical topic. ×

30
tricky(adjective, hard, easy, difficult, delicate)
29
difficult(adjective, hard, delicate, complex, awkward)
27
hard(adjective, difficult, complex, awkward, demanding)
26
knotty(adjective, hard, difficult, delicate, informal)
25
rough(adjective, hard, easy, difficult, complex)
23
laborious(adjective, hard, difficult, complex, awkward)
23
rugged(adjective, hard, difficult, complex, awkward)
22
complicated(adjective, hard, difficult, delicate, complex)
21
operose(adjective, hard, difficult, complex, awkward)
20
intricate(adjective, hard, difficult, delicate, complex)
20
involved(adjective, hard, difficult, delicate, complex)
19
arduous(adjective, hard, difficult, complex, awkward)
19
backbreaking(adjective, hard, difficult, complex, awkward)
19
grinding(adjective, hard, difficult, complex, awkward)
19
serious(adjective, hard, difficult, complex, awkward)
19
severe(adjective, hard, difficult, complex, awkward)
19
toilful(adjective, hard, difficult, complex, awkward)
18
burdensome(adjective, hard, difficult, complex, awkward)
18
toilsome(adjective, hard, difficult, complex, awkward)
14
awkward(adjective, tough, difficult, delicate, informal)
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APASmart Define. (2016). sticky thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/sticky/thesaurus/synonyms
ChicagoSmart Define. 2016. "sticky thesaurus" https://smartdefine.org/sticky/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2016, sticky thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/sticky/thesaurus/synonyms>.
MLASmart Define. "sticky thesaurus" 2 March 2016. Web. 25 September 2026. <https://smartdefine.org/sticky/thesaurus/synonyms>