16 entries under demanding topic. ×

12
chastening(verb, adjective, severe, exhausting)
8
heavy(adjective, hard, difficult, tedious)
6
harsh(adjective, hard, difficult, persistent)
6
strenuous(adjective, hard, difficult, exhausting)
6
tiring(adjective, hard, difficult, tedious)
5
exhausting(adjective, hard, difficult, strenuous)
5
torturous(adjective, severe, exhausting, tormenting)
4
fatiguing(adjective, hard, difficult, exhausting)
4
stiff(adjective, persistent, unyielding, exhausting)
2
crushing(adjective, exhausting)
2
excruciating(adjective, severe, exhausting, unbearable)
1
brutal(adjective, exhausting)
0
fierce(adjective, persistent, unyielding, exhausting)
0
hairy(adjective, exhausting)
0
racking(adjective, severe, exhausting, unbearable)
0
unremitting(adjective, persistent, unyielding, exhausting)
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APASmart Define. (2015). punishing thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/punishing/thesaurus/synonyms
ChicagoSmart Define. 2015. "punishing thesaurus" https://smartdefine.org/punishing/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2015, punishing thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/punishing/thesaurus/synonyms>.
MLASmart Define. "punishing thesaurus" 10 April 2015. Web. 29 September 2026. <https://smartdefine.org/punishing/thesaurus/synonyms>