38 entries under complex topic. ×

34
tough(adjective, feature, characteristic, hard, difficult)
30
tricky(adjective, hard, easy, difficult, delicate)
29
difficult(adjective, hard, delicate, awkward)
28
oppressive(adjective, moist, close, hard, difficult)
27
hard(adjective, difficult, awkward, demanding)
26
knotty(adjective, hard, difficult, delicate, informal)
26
thorny(adjective, hard, difficult, problematic)
25
nasty(adjective, hard, difficult, terrible, dirty)
25
rough(adjective, hard, easy, difficult)
24
sensitive(adjective, hard, difficult, delicate)
24
tight(adjective, hard, easy, difficult)
24
trying(adjective, hard, difficult)
23
laborious(adjective, hard, difficult, awkward)
23
rugged(adjective, hard, difficult, awkward)
22
complicated(adjective, hard, difficult, delicate)
22
painful(adjective, hard, difficult, embarrassing)
21
operose(adjective, hard, difficult, awkward)
21
precarious(adjective, hard, difficult)
21
problematic(adjective, hard, difficult)
20
intricate(adjective, hard, difficult, delicate)
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APASmart Define. (2016). sticky thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/sticky/thesaurus/synonyms
ChicagoSmart Define. 2016. "sticky thesaurus" https://smartdefine.org/sticky/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, sticky thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/sticky/thesaurus/synonyms>.
MLASmart Define. "sticky thesaurus" 2 March 2016. Web. 23 September 2026. <https://smartdefine.org/sticky/thesaurus/synonyms>