54 entries under grueling topic. ×

18
sticky(adjective, hard, difficult, complex, awkward)
18
toilful(adjective, hard, difficult, complex, awkward)
15
irksome(adjective, dull, difficult, heavy, awkward)
15
strenuous(adjective, dull, tough, severe, difficult)
14
demanding(adjective, dull, hard, tough, severe)
12
exhausting(adjective, dull, difficult, awkward, boring)
11
distressing(adjective, hard, rough, difficult, heavy)
11
wearying(adjective, dull, difficult, awkward, boring)
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
tiring(adjective, dull, tough, difficult, awkward)
8
wearing(adjective, dull, difficult, awkward, boring)
6
fatiguing(adjective, dull, difficult, awkward, boring)
6
rigorous(adjective, hard, severe, rough, difficult)
6
uphill(adjective, tough, severe, difficult, awkward)
5
effortful(adjective, tough, severe, rough, difficult)
3
awkward(adjective, difficult, big, heavy, substantial)
2
Herculean(adjective, tough, severe, difficult, awkward)
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APASmart Define. (2015). burdensome thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/burdensome/thesaurus/synonyms
ChicagoSmart Define. 2015. "burdensome thesaurus" https://smartdefine.org/burdensome/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2015, burdensome thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/burdensome/thesaurus/synonyms>.
MLASmart Define. "burdensome thesaurus" 10 April 2015. Web. 30 September 2026. <https://smartdefine.org/burdensome/thesaurus/synonyms>