110 entries under dull topic. ×

39
burdensome(adjective, hard, severe, rough)
33
arduous(adjective, hard, tough, severe)
30
hard(adjective, tough, severe, rough)
30
tough(adjective, hard, severe, firm)
30
difficult(adjective, hard, tough, severe)
26
trying(adjective, hard, tough, difficult)
26
laborious(adjective, hard, severe, rough)
25
sad(adjective, hard, severe, obscure)
23
hefty(adjective, hard, difficult, harsh)
21
heavy(adjective, severe, warm, difficult)
21
onerous(adjective, hard, tough, severe)
13
gloomy(adjective, obscure, sad, unhappy)
12
demanding(adjective, hard, tough, severe)
12
exacting(adjective, hard, tough, severe)
12
troublesome(adjective, hard, difficult, heavy)
11
bleak(adjective, severe, obscure, sad)
11
dismal(adjective, severe, obscure, sad)
9
depressing(adjective, obscure, sad, harsh)
6
irksome(adjective, difficult, boring, painful)
6
miserable(adjective, sad, unhappy, dark)
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APASmart Define. (2015). oppressive thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/oppressive/thesaurus/synonyms
ChicagoSmart Define. 2015. "oppressive thesaurus" https://smartdefine.org/oppressive/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, oppressive thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/oppressive/thesaurus/synonyms>.
MLASmart Define. "oppressive thesaurus" 10 April 2015. Web. 23 September 2026. <https://smartdefine.org/oppressive/thesaurus/synonyms>