237 entries under adjective topic. ×

19
involved(hard, difficult, complex, awkward)
19
knotted(hard, difficult, complex)
19
problematic(hard, difficult, complex)
19
toilful(hard, difficult, complex, awkward)
18
dire(hard, difficult, complex)
18
disturbing(hard, difficult, complex)
18
industrious(work, labour, painstaking, hardworking)
18
nasty(hard, difficult, complex)
18
sensitive(hard, difficult, complex)
18
sore(hard, difficult, complex)
18
wearisome(dull, hard, tough, difficult)
17
diligent(work, labour, persevering, painstaking)
17
fatiguing(dull, hard, difficult, awkward)
16
exhausting(dull, hard, difficult, awkward)
15
assiduous(work, labour, painstaking, hardworking)
14
demanding(dull, hard, tough, severe)
14
heavy(dull, hard, tough, severe)
14
stiff(hard, tough, severe, rough)
14
tiring(dull, tough, difficult, awkward)
14
troublesome(hard, tough, severe, difficulty)
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APASmart Define. (2016). laborious thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/laborious/thesaurus/synonyms
ChicagoSmart Define. 2016. "laborious thesaurus" https://smartdefine.org/laborious/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2016, laborious thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/laborious/thesaurus/synonyms>.
MLASmart Define. "laborious thesaurus" 26 February 2016. Web. 25 September 2026. <https://smartdefine.org/laborious/thesaurus/synonyms>