112 entries under adjective topic. ×

3
grueling(hard, severe, difficult, harsh)
3
gruelling
3
harsh(hard, rough, difficult, cruel)
3
rigid
3
rigorous
3
stressful(state, stress, nerve)
3
uphill(hard, severe, rough, difficult)
3
worrisome(difficult, irritating, troublesome, disorderly)
2
back-breaking
2
distressing
2
irritating
2
stern
2
stiff(hard, severe, difficult, harsh)
2
strict
2
tyrannical
2
unsparing
2
wearisome
2
worrying(difficult, heavy, demanding, irritating)
1
Herculean
1
annoying
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APASmart Define. (2015). taxing thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/taxing/thesaurus/synonyms
ChicagoSmart Define. 2015. "taxing thesaurus" https://smartdefine.org/taxing/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, taxing thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/taxing/thesaurus/synonyms>.
MLASmart Define. "taxing thesaurus" 10 April 2015. Web. 26 September 2026. <https://smartdefine.org/taxing/thesaurus/synonyms>