25 entries under complex topic. ×

31
oppressive(adjective, bad, hard, difficult)
28
grievous(adjective, hard, severe, difficult)
28
painful(adjective, hard, difficult, painful)
28
severe(adjective, hard, difficult, painful)
27
cruel(adjective, hard, difficult, unpleasant, awful)
24
dire(adjective, hard, difficult, painful)
24
nasty(adjective, hard, difficult, unpleasant, awful)
22
impossible(adjective, hard, difficult, pain)
22
burdensome(adjective, hard, difficult, painful)
21
arduous(adjective, hard, difficult, painful)
21
sore(adjective, hard, difficult, painful)
20
heavy-handed(adjective, bad, hard, difficult)
19
disturbing(adjective, hard, difficult)
19
hard(adjective, difficult)
19
profound(adjective, hard, difficult)
19
sad(adjective, hard, difficult)
19
sensitive(adjective, hard, difficult, painful)
19
serious(adjective, hard, difficult)
19
trying(adjective, hard, difficult, painful)
19
weighty(adjective, hard, difficult)
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APASmart Define. (2015). unbearable thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/unbearable/thesaurus/synonyms
ChicagoSmart Define. 2015. "unbearable thesaurus" https://smartdefine.org/unbearable/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, unbearable thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/unbearable/thesaurus/synonyms>.
MLASmart Define. "unbearable thesaurus" 21 July 2015. Web. 20 September 2026. <https://smartdefine.org/unbearable/thesaurus/synonyms>