74 entries under severe topic. ×

3
embarrassing(adjective, bad, hard, offensive)
3
frightening(adjective, hard, offensive, distressing)
3
hard(adjective, tough, important, significant)
3
tiresome(adjective, hard, offensive, distressing)
3
tough(adjective, difficult, heavy, important)
3
trying(adjective, hard, tough, offensive)
3
wearisome(adjective, hard, offensive, distressing)
3
weighty(adjective, difficult, heavy, troublesome)
2
laborious(adjective, tough, important, significant)
2
onerous(adjective, hard, difficult, offensive)
2
provoking(hard, offensive, distressing, upsetting)
1
agitating(verb, hard, offensive, distressing)
1
deep(adjective, tough, difficult, important)
1
depressing(adjective, hard, offensive, gloomy)
1
dismaying(adjective, hard, offensive, distressing)
1
far-reaching(adjective, tough, important, significant)
1
fateful(adjective, tough, important, gloomy)
1
formidable(adjective, tough, important, significant)
1
grave(adjective, tough, deep, meaningful)
1
grievous(difficult, upsetting, weighty, troublesome)
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APASmart Define. (2015). worrying thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/worrying/thesaurus/synonyms
ChicagoSmart Define. 2015. "worrying thesaurus" https://smartdefine.org/worrying/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, worrying thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/worrying/thesaurus/synonyms>.
MLASmart Define. "worrying thesaurus" 13 April 2015. Web. 22 September 2026. <https://smartdefine.org/worrying/thesaurus/synonyms>