96 entries under difficult topic. ×

19
problematic(adjective, hard, complex)
19
serious(adjective, hard, big, heavy)
19
stodgy(adjective, hard, complex)
18
troublesome(adjective, hard, severe, heavy)
18
drudgery(noun, adjective, hard, complex)
18
grave(adjective, hard, complex)
18
hard to bear(expression, adjective, idiom, hard)
18
heavy(adjective, dull, tough, severe)
18
involved(adjective, hard, complex, awkward)
18
sticky(adjective, hard, complex, awkward)
18
toilful(adjective, hard, complex, awkward)
18
troubled(adjective, hard, complex)
15
cumbersome(adjective, severe, harsh, pain)
15
irksome(adjective, dull, heavy, awkward)
15
strenuous(adjective, dull, tough, severe)
14
demanding(adjective, dull, hard, tough, severe)
12
exhausting(adjective, dull, awkward, boring)
11
distressing(adjective, hard, rough, heavy)
11
wearying(adjective, dull, awkward, boring)
10
bothersome(adjective, tough, severe, awkward)
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APASmart Define. (2015). burdensome thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/burdensome/thesaurus/synonyms
ChicagoSmart Define. 2015. "burdensome thesaurus" https://smartdefine.org/burdensome/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, burdensome thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/burdensome/thesaurus/synonyms>.
MLASmart Define. "burdensome thesaurus" 10 April 2015. Web. 25 September 2026. <https://smartdefine.org/burdensome/thesaurus/synonyms>