55 entries under tough topic. ×

1
problem(severe, painful, problematic, trying)
1
prohibitive(severe, painful, problematic, trying)
1
rigid(severe, painful, problematic, trying)
1
stiff(severe, painful, problematic, trying)
1
tiresome(problematic, trying)
1
tiring(problematic, trying)
1
unyielding(severe, painful, problematic, trying)
1
uphill(severe, painful, problematic, trying)
1
upstream(severe, painful, problematic, trying)
1
wearisome(severe, painful, problematic, trying)
0
immense(severe, painful, problematic, trying)
0
irritating(severe, painful, problematic, trying)
0
argumentative(problematic, trying)
0
bearish(problematic, trying)
0
boorish(problematic, trying)
0
fastidious(problematic, trying)
0
finicky(problematic, trying)
0
fractious(problematic, trying)
0
fussy(hard, difficult, problematic, trying)
0
grim(problematic, trying)
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APASmart Define. (2016). ambitious thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/ambitious/thesaurus/synonyms
ChicagoSmart Define. 2016. "ambitious thesaurus" https://smartdefine.org/ambitious/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2016, ambitious thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/ambitious/thesaurus/synonyms>.
MLASmart Define. "ambitious thesaurus" 26 February 2016. Web. 27 September 2026. <https://smartdefine.org/ambitious/thesaurus/synonyms>