4
discharging(verb, rejecting, exiting)
4
grueling(adjective, hard, tough, severe, difficult)
4
harrowing(adjective, difficult, unpleasant, grim, savage)
4
heavy(adjective, dull, difficult, awkward, boring)
4
irksome(adjective, dull, difficult, awkward, boring)
4
jading(adjective, dull, boring, tedious, irritating)
4
killing
4
murderous(adjective, difficult)
4
oppressive(adjective, dull, hard, tough, difficult)
4
rigorous(adjective, hard, tough, severe, rough)
4
stiff
4
trying(adjective, dull, hard, tough, difficult)
4
uphill(adjective, hard, rough, difficult, heavy)
4
weakening(noun, adjective)
3
devouring(verb, consuming)
3
discouraging
3
disheartening
3
dispiriting
3
flat(adjective, dull, boring, tedious, irritating)
3
harsh
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APASmart Define. (2016). exhausting thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/exhausting/thesaurus/synonyms
ChicagoSmart Define. 2016. "exhausting thesaurus" https://smartdefine.org/exhausting/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2016, exhausting thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/exhausting/thesaurus/synonyms>.
MLASmart Define. "exhausting thesaurus" 26 February 2016. Web. 21 September 2026. <https://smartdefine.org/exhausting/thesaurus/synonyms>