155 entries under difficult topic. ×

4
intolerable(adjective, hard, tough, rough)
4
proper(adjective, close, hard, correct, rough)
4
solemn(adjective, calm, quiet, set, hard)
4
turbulent(adjective, hard, rough, harsh)
3
adverse
3
boisterous(adjective, hard, tough, rough)
3
consequential(adjective, hard, harsh, big)
3
exhausting(adjective, hard, tough, rough)
3
irksome(adjective, hard, rough, heavy)
3
tempestuous(adjective, hard, rough, harsh)
3
wearing(adjective, hard, tough, rough)
3
wearying(adjective, tough, rough, heavy)
3
wild(adjective, hard, rough, harsh)
2
challenging(adjective, hard, tough, awkward)
2
dear(adjective, harsh)
2
difficile(adjective, tough, rough, heavy)
2
hairy(adjective, hard, tough, sharp, rough)
2
herculean(adjective, tough, rough, heavy)
2
no picnic(expression, hard, tough, painful)
2
pressing(adjective, hard, tough, heavy)
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APASmart Define. (2016). severe thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/severe/thesaurus/synonyms
ChicagoSmart Define. 2016. "severe thesaurus" https://smartdefine.org/severe/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, severe thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/severe/thesaurus/synonyms>.
MLASmart Define. "severe thesaurus" 24 March 2016. Web. 22 September 2026. <https://smartdefine.org/severe/thesaurus/synonyms>