112 entries under adjective topic. ×

36
burdensome(hard, difficult, heavy, complex)
32
tough(hard, severe, rough, difficult)
30
hard(tough, severe, rough, difficult)
29
laborious(hard, severe, rough, difficult)
28
arduous(hard, tough, severe, rough)
28
difficult(hard, tough, rough, harsh)
27
trying(verb, hard, tough, severe)
26
severe(hard, tough, difficult, harsh)
25
oppressive(hard, difficult, heavy, complex)
24
weighty(hard, difficult, heavy, complex)
23
serious(hard, difficult, heavy, complex)
21
backbreaking(hard, difficult, heavy, complex)
21
grievous(hard, severe, difficult, complex)
21
punishing(hard, difficult, complex)
21
toilsome(hard, difficult, complex, laborious)
20
ambitious(hard, difficult, complex)
20
painful(hard, difficult, complex)
20
rough(hard, difficult, heavy, complex)
20
rugged(hard, difficult, complex, rigorous)
19
demanding(hard, tough, severe, rough)
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APASmart Define. (2015). taxing thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/taxing/thesaurus/synonyms
ChicagoSmart Define. 2015. "taxing thesaurus" https://smartdefine.org/taxing/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, taxing thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/taxing/thesaurus/synonyms>.
MLASmart Define. "taxing thesaurus" 10 April 2015. Web. 23 September 2026. <https://smartdefine.org/taxing/thesaurus/synonyms>