63 entries under problematic topic. ×

1
laborious(tough, severe, painful, weighty)
1
no picnic(expression, tough, severe, painful)
1
not easy(expression, tough, severe, painful)
1
onerous(tough, severe, painful, trying)
1
operose(tough, severe, painful, weighty)
1
problem(tough, severe, painful, trying)
1
prohibitive(tough, severe, painful, trying)
1
rigid(tough, severe, painful, trying)
1
stiff(tough, severe, painful, trying)
1
strenuous(tough, severe, painful, weighty)
1
toilsome(tough, severe, painful, trying)
1
tough(severe, painful, weighty, trying)
1
trying(tough, severe, painful)
1
unyielding(tough, severe, painful, trying)
1
uphill(tough, severe, painful, trying)
1
upstream(tough, severe, painful, trying)
1
wearisome(tough, severe, painful, trying)
0
impolite(tough, trying)
0
argumentative(tough, trying)
0
bearish(tough, trying)
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APASmart Define. (2016). crucial thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/crucial/thesaurus/synonyms
ChicagoSmart Define. 2016. "crucial thesaurus" https://smartdefine.org/crucial/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2016, crucial thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/crucial/thesaurus/synonyms>.
MLASmart Define. "crucial thesaurus" 11 March 2016. Web. 25 September 2026. <https://smartdefine.org/crucial/thesaurus/synonyms>