82 entries under severe topic. ×

46
difficult(adjective, dull, hard, tough)
40
arduous(adjective, dull, hard, tough)
38
hard(adjective, dull, rough, difficult)
36
laborious(adjective, dull, hard, tough)
36
oppressive(adjective, dull, hard, rough)
34
onerous(adjective, dull, hard, tough)
25
rugged(adjective, hard, rough, difficult)
23
rough(adjective, hard, difficult, heavy)
18
troublesome(adjective, hard, difficult, heavy)
18
heavy(adjective, dull, tough, difficult)
15
cumbersome(adjective, difficult, harsh, pain)
15
strenuous(adjective, dull, tough, difficult)
14
demanding(adjective, dull, hard, tough)
10
bothersome(adjective, tough, difficult, awkward)
10
wearisome(adjective, dull, tough, difficult)
9
exacting(adjective, dull, hard, tough)
9
formidable(adjective, tough, difficult, heavy)
8
irritating(adjective, dull, tough, boring)
6
rigorous(adjective, hard, rough, difficult)
6
uphill(adjective, tough, difficult, awkward)
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APASmart Define. (2015). burdensome thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/burdensome/thesaurus/synonyms
ChicagoSmart Define. 2015. "burdensome thesaurus" https://smartdefine.org/burdensome/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, burdensome thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/burdensome/thesaurus/synonyms>.
MLASmart Define. "burdensome thesaurus" 10 April 2015. Web. 27 September 2026. <https://smartdefine.org/burdensome/thesaurus/synonyms>