55 entries under adjective topic. ×

19
arduous(hard, difficult, complex, awkward)
19
backbreaking(hard, difficult, complex, awkward)
19
burdensome(hard, difficult, complex, awkward)
19
complicated(hard, difficult, complex, awkward)
19
grinding(hard, difficult, complex, awkward)
19
hard(difficult, complex, awkward, demanding)
19
intricate(hard, difficult, complex, awkward)
19
involved(hard, difficult, complex, awkward)
19
knotty(hard, difficult, complex, awkward)
19
laborious(hard, difficult, complex, awkward)
19
operose(hard, difficult, complex, awkward)
19
rough(hard, difficult, complex, awkward)
19
rugged(hard, difficult, complex, awkward)
19
serious(hard, difficult, complex, awkward)
19
severe(hard, difficult, complex, awkward)
19
sticky(hard, difficult, complex, awkward)
19
toilsome(hard, difficult, complex, awkward)
18
difficult(hard, complex, awkward, demanding)
18
tricky(hard, difficult, complex, awkward)
2
strenuous(tough, rough, difficult, heavy)
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APASmart Define. (2013). toilful thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/toilful/thesaurus/synonyms
ChicagoSmart Define. 2013. "toilful thesaurus" https://smartdefine.org/toilful/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2013, toilful thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/toilful/thesaurus/synonyms>.
MLASmart Define. "toilful thesaurus" 28 June 2013. Web. 27 September 2026. <https://smartdefine.org/toilful/thesaurus/synonyms>