237 entries under adjective topic. ×

3
dense
3
finicky(tough, difficult, problematic, trying)
3
laboring
3
strong
3
toiling
3
wicked(hard, difficult, informal)
2
accented
2
adverse
2
clayey
2
contrary
2
difficile(tough, severe, rough, difficult)
2
dreary
2
expectant
2
fleshy
2
gravid
2
hairy(hard, severe, rough, difficult)
2
humdrum(dull, boring, tedious, dreary)
2
impenetrable
2
irritating(dull, tough, severe, boring)
2
lumbering
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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>