49 entries under complex topic. ×

19
lumpish(adjective, hard, difficult)
19
operose(adjective, hard, difficult)
19
troubled(adjective, hard, difficult, sad, unhappy)
18
ambitious(adjective, hard, difficult)
18
dire(adjective, hard, difficult)
18
hard-nosed(adjective, hard, difficult, severity)
18
impossible(adjective, hard, difficult)
18
intricate(adjective, hard, difficult, demanding)
17
sheer(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>