47 entries under upsetting topic. ×

49
hard(adjective, dull, great, tough, easy)
46
toilsome(adjective, hard, great, tough, difficulty)
45
difficult(adjective, dull, hard, great, tough)
40
burdensome(adjective, dull, hard, tough, severe)
27
severe(adjective, hard, tough, rough, difficult)
26
trying(adjective, dull, hard, tough, severe)
23
onerous(adjective, dull, hard, great, tough)
18
wearisome(adjective, dull, hard, tough, difficult)
14
troublesome(adjective, hard, tough, severe, difficulty)
4
irksome(adjective, dull, difficulty, difficult, awkward)
3
bothersome(adjective, tough, severe, difficult, awkward)
2
irritating(adjective, dull, tough, severe, boring)
2
worrying(adjective, tough, severe, important, significant)
1
alarming(hard, severe, offensive, distressing)
1
annoying(adjective, dull, boring, tedious, dreary)
1
discomforting(hard, severe, difficult, offensive, distressing)
1
disquieting(hard, severe, offensive, distressing)
1
distressing(adjective, hard, severe, rough, difficult)
1
embarrassing(hard, severe, difficult, offensive, distressing)
1
gloomy(adjective, hard, severe, offensive, uncertain)
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APASmart Define. (2016). laborious thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/laborious/thesaurus/synonyms
ChicagoSmart Define. 2016. "laborious thesaurus" https://smartdefine.org/laborious/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, laborious thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/laborious/thesaurus/synonyms>.
MLASmart Define. "laborious thesaurus" 26 February 2016. Web. 22 September 2026. <https://smartdefine.org/laborious/thesaurus/synonyms>