90 entries under severe topic. ×

3
stern(adjective, hard, rough, harsh)
3
strict(adjective, hard, tough, rough)
3
treacherous(adjective, hard, evil, rough)
3
upsetting(adjective, hard, tough, offensive)
3
worrisome(adjective, hard, offensive, awkward)
2
crucial(adjective, hard, tough, problematic)
2
exigent(adjective, hard, tough, heavy)
2
grueling(adjective, hard, tough, harsh)
2
sinister(hard, offensive, distressing, upsetting)
2
ugly(adjective, hard, tough, evil)
2
vexing(adjective, hard, offensive, complicated)
1
aggravating(hard, offensive, distressing, irritating)
1
alarming(hard, offensive, distressing, disturbing)
1
consequential(hard, offensive, distressing, upsetting)
1
depressing(hard, offensive, distressing, upsetting)
1
discomforting(hard, offensive, distressing, upsetting)
1
discommoding(hard, offensive, awkward, uneasy)
1
disconcerting(hard, offensive, awkward, distressing)
1
discouraging(hard, offensive, distressing, upsetting)
1
dismaying(hard, great, tough, offensive)
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APASmart Define. (2016). difficult thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/difficult/thesaurus/synonyms
ChicagoSmart Define. 2016. "difficult thesaurus" https://smartdefine.org/difficult/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2016, difficult thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/difficult/thesaurus/synonyms>.
MLASmart Define. "difficult thesaurus" 24 March 2016. Web. 21 September 2026. <https://smartdefine.org/difficult/thesaurus/synonyms>