69 entries under difficult topic. ×

1
knotty(adjective, fancy, exact, heavy)
1
mean(adjective, hard, tough, severe, rough)
1
murder(adjective, hard, great, tough, rough)
1
no picnic(hard, tough, severe, painful)
1
painstaking(adjective, fancy, exact, complex)
1
rigorous(adjective, hard, tough, rough)
1
rough(adjective, hard, great, tough)
1
rugged(adjective, hard, tough, rough)
1
serious(adjective, hard, tough, severe, rough)
1
severe(adjective, tough, rough, awkward)
1
terrible(adjective, tough, rough, heavy)
1
testing(noun, adjective, tough, awkward)
1
tiring(adjective, hard, tough, rough)
1
trying(hard, tough, severe, rough)
1
wearing(adjective, hard, tough, rough)
0
distressing(adjective, tough, rough, heavy)
0
grinding(adjective, tough, rough, heavy)
0
merciless(adjective, tough, rough, heavy)
0
problematical(adjective, awkward, demanding, grueling)
0
scabrous(adjective, tough, rough, heavy)
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APASmart Define. (2016). labored thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/labored/thesaurus/synonyms
ChicagoSmart Define. 2016. "labored thesaurus" https://smartdefine.org/labored/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, labored thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/labored/thesaurus/synonyms>.
MLASmart Define. "labored thesaurus" 4 March 2016. Web. 22 September 2026. <https://smartdefine.org/labored/thesaurus/synonyms>