94 entries under tough topic. ×

1
strenuous(adjective, severe, rough, difficult)
1
terrible(adjective, rough, difficult, heavy)
1
tiring(adjective, rough, difficult, heavy)
1
toilful(adjective, rough, difficult, heavy)
1
troublesome(adjective, severe, rough, difficult)
1
trying(adjective, severe, painful, problematic)
1
unsparing(adjective, rough, difficult, heavy)
1
unyielding(adjective, severe, painful, problematic)
1
uphill battle(expression, adjective, rough, difficult)
1
upstream(adjective, severe, painful, problematic)
1
wearing(adjective, rough, difficult, heavy)
1
wearisome(adjective, severe, rough, difficult)
1
wearying(adjective, rough, difficult, heavy)
0
argumentative(problematic, trying)
0
bearish(problematic, trying)
0
boorish(problematic, trying)
0
fractious(problematic, trying)
0
grim(problematic, trying)
0
grueling(adjective, difficult, awkward, grim)
0
hard to please(expression, idiom, problematic, trying)
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APASmart Define. (2015). difficile thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/difficile/thesaurus/synonyms
ChicagoSmart Define. 2015. "difficile thesaurus" https://smartdefine.org/difficile/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, difficile thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/difficile/thesaurus/synonyms>.
MLASmart Define. "difficile thesaurus" 13 April 2015. Web. 23 September 2026. <https://smartdefine.org/difficile/thesaurus/synonyms>