237 entries under adjective topic. ×

24
complicated(hard, difficult, complex, awkward)
24
grinding(hard, difficult, complex, awkward)
24
serious(hard, easy, difficult, important)
24
thorny(hard, difficult, complex)
24
tricky(hard, difficult, complex, awkward)
23
ambitious(work, hard, difficult, complex)
23
onerous(dull, hard, great, tough)
23
plodding(work, hard, difficult, complex)
23
sticky(hard, difficult, complex, awkward)
23
tight(hard, difficult, complex)
21
elaborate(hard, difficult, complex, exertion)
21
weighty(hard, difficult, heavy, complex)
20
grave(hard, tough, severe, difficult)
20
grievous(hard, difficult, complex)
20
hefty(dull, hard, difficult, complex)
20
intricate(hard, difficult, complex, awkward)
20
leaden(hard, difficult, complex)
20
profound(hard, difficult, complex)
20
stubborn(hard, difficult, complex)
19
Byzantine(hard, difficult, complex)
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APASmart Define. (2016). laborious thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/laborious/thesaurus/synonyms
ChicagoSmart Define. 2016. "laborious thesaurus" https://smartdefine.org/laborious/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2016, laborious thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/laborious/thesaurus/synonyms>.
MLASmart Define. "laborious thesaurus" 26 February 2016. Web. 24 September 2026. <https://smartdefine.org/laborious/thesaurus/synonyms>