26 entries under complex topic. ×

19
operose(adjective, hard, difficult)
19
sad(adjective, hard, difficult)
18
cruel(adjective, hard, difficult)
18
dire(adjective, hard, difficult)
18
unbearable(adjective, hard, difficult)
1
challenging(adjective, hard, tough, difficult)
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APASmart Define. (2015). taxing thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/taxing/thesaurus/synonyms
ChicagoSmart Define. 2015. "taxing thesaurus" https://smartdefine.org/taxing/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, taxing thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/taxing/thesaurus/synonyms>.
MLASmart Define. "taxing thesaurus" 10 April 2015. Web. 22 September 2026. <https://smartdefine.org/taxing/thesaurus/synonyms>