58 entries under demanding topic. ×

11
heavy(adjective, tough, severe, difficult, awkward)
9
difficult(adjective, hard, great, tough, rough)
8
arduous(adjective, hard, great, tough, rough)
8
effortful(adjective, hard, great, tough, rough)
8
laborious(adjective, hard, great, tough, rough)
7
awkward(adjective, difficult, slow, uncertain, stiff)
7
uphill(adjective, hard, great, tough, difficult)
6
stiff(adjective, tough, severe, difficult, unusual)
5
backbreaking(adjective, hard, tough, severe, rough)
5
formidable(adjective, tough, severe, difficult, heavy)
5
grueling(adjective, hard, tough, difficult, awkward)
5
hard(adjective, great, tough, rough, difficult)
5
toilsome(adjective, hard, great, tough, difficult)
4
troublesome(adjective, tough, severe, difficult, awkward)
3
onerous(adjective, hard, great, tough, rough)
3
strenuous(adjective, hard, great, tough, rough)
2
burdensome(adjective, hard, tough, severe, rough)
2
fussy(adjective, tough, fancy, exact, complex)
2
operose(adjective, hard, tough, severe, difficult)
2
wearisome(adjective, tough, severe, difficult, awkward)
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APASmart Define. (2016). labored thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/labored/thesaurus/synonyms
ChicagoSmart Define. 2016. "labored thesaurus" https://smartdefine.org/labored/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2016, labored thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/labored/thesaurus/synonyms>.
MLASmart Define. "labored thesaurus" 4 March 2016. Web. 26 September 2026. <https://smartdefine.org/labored/thesaurus/synonyms>