63 entries under problematic topic. ×

46
difficult(adjective, dull, hard, tough, severe)
40
arduous(adjective, dull, hard, tough, severe)
37
tough(adjective, dull, hard, difficult, harsh)
36
laborious(adjective, dull, hard, tough, severe)
34
onerous(adjective, dull, hard, tough, severe)
34
severe(adjective, hard, tough, rough, difficult)
30
toilsome(adjective, hard, tough, difficult, complex)
29
trying(adjective, dull, hard, tough, difficult)
22
operose(adjective, hard, tough, difficult, complex)
18
heavy(adjective, dull, tough, severe, difficult)
15
strenuous(adjective, dull, tough, severe, difficult)
14
demanding(adjective, dull, hard, tough, severe)
10
bothersome(adjective, tough, severe, difficult, awkward)
10
wearisome(adjective, dull, tough, severe, difficult)
9
exacting(adjective, dull, hard, tough, severe)
9
formidable(adjective, tough, severe, difficult, heavy)
8
irritating(adjective, dull, tough, severe, boring)
8
tiring(adjective, dull, tough, difficult, awkward)
6
uphill(adjective, tough, severe, difficult, awkward)
5
effortful(adjective, tough, severe, rough, difficult)
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APASmart Define. (2015). burdensome thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/burdensome/thesaurus/synonyms
ChicagoSmart Define. 2015. "burdensome thesaurus" https://smartdefine.org/burdensome/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, burdensome thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/burdensome/thesaurus/synonyms>.
MLASmart Define. "burdensome thesaurus" 10 April 2015. Web. 22 September 2026. <https://smartdefine.org/burdensome/thesaurus/synonyms>