Synonyms|155Antonyms|44|Broader|1Narrower|0Related|102
4
arduous
4
backbreaking
4
grueling
4
leaden
4
plodding
3
Sisyphean
3
difficult
3
dragging
3
exhausting
3
gruelling
3
hard
3
heavy
3
labor-intensive
3
labored
3
laborious
3
labour-intensive
3
laboured
3
operose
3
punishing
3
strenuous
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APASmart Define. (2015). effortful thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/effortful/thesaurus/related
ChicagoSmart Define. 2015. "effortful thesaurus" https://smartdefine.org/effortful/thesaurus/related (accessed September 25, 2026).
HarvardSmart Define 2015, effortful thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/effortful/thesaurus/related>.
MLASmart Define. "effortful thesaurus" 10 April 2015. Web. 25 September 2026. <https://smartdefine.org/effortful/thesaurus/related>