Synonyms|155Antonyms|44|Broader|1Narrower|0Related|102

66 entries under problematic topic. ×

2
stiff(tough, severe, difficult, painful)
2
testing(noun, adjective, tough, difficult, awkward)
2
tiring(adjective, tough, rough, difficult, heavy)
2
titanic(tough, severe, painful, trying)
2
troublesome(adjective, tough, severe, difficult, awkward)
1
ambitious(tough, severe, painful, trying)
1
backbreaker(tough, severe, painful, trying)
1
bothersome(adjective, tough, severe, rough, difficult)
1
crucial(tough, severe, painful, trying)
1
difficile(adjective, tough, severe, rough, difficult)
1
easier said than done(expression, tough, severe, painful)
1
galling(tough, severe, painful, trying)
1
gargantuan(tough, severe, painful, trying)
1
hard-won(tough, severe, painful, trying)
1
immense(tough, severe, painful, trying)
1
intricate(adjective, tough, severe, difficult, awkward)
1
irritating(tough, severe, painful, trying)
1
no picnic(expression, tough, severe, painful)
1
not easy(expression, tough, severe, painful)
1
problem(tough, severe, painful, trying)
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APASmart Define. (2015). effortful thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/effortful/thesaurus/synonyms
ChicagoSmart Define. 2015. "effortful thesaurus" https://smartdefine.org/effortful/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, effortful thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/effortful/thesaurus/synonyms>.
MLASmart Define. "effortful thesaurus" 10 April 2015. Web. 22 September 2026. <https://smartdefine.org/effortful/thesaurus/synonyms>