266 entries under adjective topic. ×

46
difficult(dull, hard, tough, severe)
40
arduous(dull, hard, tough, severe)
38
hard(dull, severe, rough, difficult)
37
tough(dull, hard, difficult, harsh)
36
laborious(dull, hard, tough, severe)
36
oppressive(dull, hard, severe, rough)
34
onerous(dull, hard, tough, severe)
34
severe(hard, tough, rough, difficult)
33
taxing(hard, difficult, heavy, complex)
33
weighty(hard, difficult, heavy, complex)
30
toilsome(hard, tough, difficult, complex)
29
trying(dull, hard, tough, difficult)
28
grievous(hard, difficult, complex, painful)
27
painful(hard, difficult, complex, painful)
25
rugged(hard, severe, rough, difficult)
24
ponderous(hard, difficult, heavy, complex)
24
punishing(hard, difficult, complex, punishing)
24
sore(hard, difficult, complex, painful)
23
hefty(dull, hard, difficult, big)
23
leaden(hard, difficult, heavy, complex)
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APASmart Define. (2015). burdensome thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/burdensome/thesaurus/synonyms
ChicagoSmart Define. 2015. "burdensome thesaurus" https://smartdefine.org/burdensome/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, burdensome thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/burdensome/thesaurus/synonyms>.
MLASmart Define. "burdensome thesaurus" 10 April 2015. Web. 27 September 2026. <https://smartdefine.org/burdensome/thesaurus/synonyms>