77 entries under adjective topic. ×

1
heavy(tough, severe, rough, difficult)
1
herculean(tough, severe, rough, difficult)
1
immense(tough, severe, painful, problematic)
1
involved(tough, rough, difficult, heavy)
1
irksome(tough, rough, difficult, heavy)
1
irritating(tough, severe, painful, problematic)
1
labored(tough, severe, rough, difficult)
1
merciless(tough, rough, difficult, heavy)
1
murder(tough, rough, difficult, heavy)
1
no picnic(expression, tough, severe, painful)
1
onerous(tough, severe, rough, difficult)
1
painful(tough, severe, problematic, trying)
1
problem(tough, severe, painful, problematic)
1
problematic(tough, severe, painful, trying)
1
prohibitive(tough, severe, painful, problematic)
1
rigid(tough, severe, painful, problematic)
1
scabrous(tough, rough, difficult, heavy)
1
serious(tough, rough, difficult, heavy)
1
slavish(tough, rough, difficult, heavy)
1
sticky(tough, rough, difficult, heavy)
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APASmart Define. (2015). difficile thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/difficile/thesaurus/synonyms
ChicagoSmart Define. 2015. "difficile thesaurus" https://smartdefine.org/difficile/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, difficile thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/difficile/thesaurus/synonyms>.
MLASmart Define. "difficile thesaurus" 13 April 2015. Web. 21 September 2026. <https://smartdefine.org/difficile/thesaurus/synonyms>