49 entries under complex topic. ×

23
grinding(adjective, hard, difficult, severity)
23
hefty(adjective, dull, hard, difficult, harsh)
23
massive(adjective, hard, difficult, heavy)
22
ponderous(adjective, hard, difficult, heavy)
22
rough(adjective, hard, severe, difficult, heavy)
22
toilsome(adjective, hard, difficult)
21
complicated(adjective, hard, difficult, tedious)
21
punishing(adjective, hard, difficult)
21
stressful(adjective, hard, difficult)
21
tight(adjective, hard, difficult)
20
disturbing(adjective, hard, difficult)
20
fusty(adjective, hard, warm, difficult)
20
knotty(adjective, hard, difficult)
20
rugged(adjective, hard, difficult)
20
serious(adjective, hard, difficult)
20
stale(adjective, hard, warm, difficult)
20
thorny(adjective, hard, difficult)
20
tricky(adjective, hard, difficult)
19
drudgery(noun, adjective, hard, difficult)
19
grave(adjective, hard, difficult)
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APASmart Define. (2015). oppressive thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/oppressive/thesaurus/synonyms
ChicagoSmart Define. 2015. "oppressive thesaurus" https://smartdefine.org/oppressive/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, oppressive thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/oppressive/thesaurus/synonyms>.
MLASmart Define. "oppressive thesaurus" 10 April 2015. Web. 22 September 2026. <https://smartdefine.org/oppressive/thesaurus/synonyms>