54 entries under problematical topic. ×

55
intricate(adjective, hard, complete, simple, fancy)
46
difficult(adjective, hard, difficult, delicate, complex)
41
involved(verb, adjective, hard, simple, difficult)
37
knotty(adjective, hard, simple, evil, difficulty)
27
hard(adjective, difficult, complex, awkward, tedious)
26
arduous(adjective, hard, difficult, complex, awkward)
25
tricky(adjective, hard, difficult, delicate, complex)
23
laborious(adjective, hard, difficult, complex, awkward)
22
rugged(adjective, hard, difficulty, difficult, complex)
22
toilsome(adjective, hard, difficult, complex, awkward)
21
burdensome(adjective, hard, difficult, complex, awkward)
21
rough(adjective, hard, difficult, complex, awkward)
21
severe(adjective, hard, difficult, complex, awkward)
21
sticky(adjective, hard, difficult, delicate, complex)
20
grinding(adjective, hard, difficult, complex, awkward)
19
backbreaking(adjective, hard, difficult, complex, awkward)
19
serious(adjective, hard, difficult, complex, awkward)
19
toilful(adjective, hard, difficult, complex, awkward)
18
operose(adjective, hard, difficult, complex, awkward)
7
awkward(adjective, difficulty, difficult, delicate, unpleasant)
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APASmart Define. (2016). complicated thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/complicated/thesaurus/synonyms
ChicagoSmart Define. 2016. "complicated thesaurus" https://smartdefine.org/complicated/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2016, complicated thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/complicated/thesaurus/synonyms>.
MLASmart Define. "complicated thesaurus" 24 March 2016. Web. 20 September 2026. <https://smartdefine.org/complicated/thesaurus/synonyms>