107 entries under demanding topic. ×

5
censorious(adjective, harsh, cross, critical, contrary)
5
deep(adjective, strong, intense, powerful)
5
grueling(adjective, hard, tough, difficult, harsh)
5
stormy(adjective, hard, rough, difficult, violent)
5
uncharitable(adjective, person, exacting, aroused bad feelings)
5
uphill(adjective, hard, tough, difficult, violent)
4
bothersome(adjective, hard, tough, difficult, awful)
4
hostile(adjective, mean, hard, tough, evil)
4
intolerable(adjective, hard, tough, rough, difficult)
4
rude(adjective, hard, tough, sharp, nasty)
4
solemn(adjective, calm, quiet, set, hard)
4
turbulent(adjective, hard, rough, difficult, harsh)
3
boisterous(adjective, hard, tough, rough, difficult)
3
complete(exact, violent, pure, absolute)
3
crucial(adjective, tough, big, heavy, deep)
3
exhausting(adjective, hard, tough, rough, difficult)
3
irksome(adjective, hard, rough, difficult, heavy)
3
tempestuous(adjective, hard, rough, difficult, harsh)
3
wearing(adjective, hard, tough, rough, difficult)
3
wearying(adjective, tough, rough, difficult, heavy)
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APASmart Define. (2016). severe thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/severe/thesaurus/synonyms
ChicagoSmart Define. 2016. "severe thesaurus" https://smartdefine.org/severe/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2016, severe thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/severe/thesaurus/synonyms>.
MLASmart Define. "severe thesaurus" 24 March 2016. Web. 27 September 2026. <https://smartdefine.org/severe/thesaurus/synonyms>