78 entries under heavy topic. ×

15
cumbersome(adjective, severe, difficult, harsh, pain)
15
irksome(adjective, dull, difficult, awkward)
14
demanding(adjective, dull, hard, tough, severe)
11
distressing(adjective, hard, rough, difficult)
10
wearisome(adjective, dull, tough, severe, difficult)
9
exacting(adjective, dull, hard, tough, severe)
9
formidable(adjective, tough, severe, difficult)
7
cumbrous(adjective, pain, big, awkward)
6
rigorous(adjective, hard, severe, rough, difficult)
5
effortful(adjective, tough, severe, rough, difficult)
5
exigent(adjective, difficult, troublesome, taxing)
5
grueling(adjective, hard, tough, severe, difficult)
5
tiresome(adjective, hard, severe, irritating)
5
worrying(adjective, hard, severe, offensive)
3
awkward(adjective, difficult, big, substantial)
3
bulky(adjective, big, awkward, substantial)
2
dense(adjective, big, substantial)
2
unsparing(adjective, tough, rough, difficult, harsh)
1
big(awkward, substantial)
1
consequential(hard, severe, offensive, big)
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APASmart Define. (2015). burdensome thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/burdensome/thesaurus/synonyms
ChicagoSmart Define. 2015. "burdensome thesaurus" https://smartdefine.org/burdensome/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2015, burdensome thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/burdensome/thesaurus/synonyms>.
MLASmart Define. "burdensome thesaurus" 10 April 2015. Web. 29 September 2026. <https://smartdefine.org/burdensome/thesaurus/synonyms>