65 entries under problematic topic. ×

4
difficult(adjective, hard, tough, troubled)
2
severe(tough, painful, trying)
1
arduous(tough, severe, painful, trying)
1
demanding(tough, severe, painful, trying)
1
difficile(tough, severe, painful, trying)
1
exacting(tough, severe, painful, trying)
1
laborious(tough, severe, painful, trying)
1
no picnic(expression, tough, severe, painful)
1
operose(tough, severe, painful, trying)
1
strenuous(tough, severe, difficult, painful, troubled)
1
titanic(tough, severe, painful, trying)
1
toilsome(tough, severe, painful, trying)
1
tough(severe, difficult, painful, troubled)
1
trying(tough, severe, difficult, painful, troubled)
1
uphill(tough, severe, painful, trying)
0
ambitious(tough, severe, painful, trying)
0
backbreaker(tough, severe, painful, trying)
0
bothersome(tough, severe, painful, trying)
0
burdensome(tough, severe, painful, trying)
0
challenging(tough, severe, painful, trying)
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APASmart Define. (2015). not easy thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/not_easy/thesaurus/synonyms
ChicagoSmart Define. 2015. "not easy thesaurus" https://smartdefine.org/not_easy/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, not easy thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/not_easy/thesaurus/synonyms>.
MLASmart Define. "not easy thesaurus" 10 April 2015. Web. 21 September 2026. <https://smartdefine.org/not_easy/thesaurus/synonyms>