47 entries under upsetting topic. ×

43
laborious(adjective, hard, great, tough, difficulty)
40
hard(adjective, great, tough, difficulty, difficult)
37
difficult(adjective, hard, great, tough, difficulty)
32
burdensome(adjective, hard, tough, difficult, complex)
27
severe(adjective, hard, tough, difficult, harsh)
18
onerous(adjective, hard, great, tough, difficulty)
12
wearisome(adjective, hard, tough, severe, difficult)
11
troublesome(adjective, hard, tough, severe, difficulty)
3
bothersome(adjective, tough, severe, difficult, awkward)
2
distressing(adjective, hard, severe, rough, difficult)
2
irksome(adjective, hard, severe, difficulty, rough)
1
consequential(hard, severe, offensive, distressing)
1
disquieting(adjective, hard, severe, offensive, distressing)
1
perplexing(hard, severe, offensive, distressing)
1
unpleasant(hard, severe, offensive, distressing)
0
aggravating(hard, severe, offensive, distressing)
0
agitating(hard, severe, offensive, distressing)
0
alarming(hard, severe, offensive, distressing)
0
annoying(hard, severe, offensive, distressing)
0
depressing(hard, severe, offensive, distressing)
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APASmart Define. (2015). toilsome thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/toilsome/thesaurus/synonyms
ChicagoSmart Define. 2015. "toilsome thesaurus" https://smartdefine.org/toilsome/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, toilsome thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/toilsome/thesaurus/synonyms>.
MLASmart Define. "toilsome thesaurus" 10 April 2015. Web. 26 September 2026. <https://smartdefine.org/toilsome/thesaurus/synonyms>