58 entries under tedious topic. ×

53
arduous(adjective, dull, hard, great, tough)
49
hard(adjective, dull, great, tough, easy)
46
toilsome(adjective, hard, great, tough, difficulty)
45
difficult(adjective, dull, hard, great, tough)
42
operose(adjective, work, hard, tough, severe)
41
tough(adjective, dull, hard, great, easy)
40
burdensome(adjective, dull, hard, tough, severe)
27
rough(adjective, hard, great, tough, severe)
27
severe(adjective, hard, tough, rough, difficult)
27
strenuous(adjective, dull, hard, great, tough)
26
complex(adjective, hard, difficult, demanding)
26
knotty(adjective, hard, severe, rough, difficult)
26
oppressive(adjective, dull, hard, severe, rough)
26
trying(adjective, dull, hard, tough, severe)
24
complicated(adjective, hard, difficult, complex, awkward)
24
serious(adjective, hard, easy, difficult, important)
23
onerous(adjective, dull, hard, great, tough)
20
grave(adjective, hard, tough, severe, difficult)
20
hefty(adjective, dull, hard, difficult, complex)
18
wearisome(adjective, dull, hard, tough, difficult)
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APASmart Define. (2016). laborious thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/laborious/thesaurus/synonyms
ChicagoSmart Define. 2016. "laborious thesaurus" https://smartdefine.org/laborious/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, laborious thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/laborious/thesaurus/synonyms>.
MLASmart Define. "laborious thesaurus" 26 February 2016. Web. 23 September 2026. <https://smartdefine.org/laborious/thesaurus/synonyms>