61 entries under problematic topic. ×

2
severe(adjective, great, tough, painful, huge)
2
tough(adjective, person, body, severe, painful)
1
ambitious(tough, severe, painful, trying)
1
arduous(tough, severe, painful, trying)
1
backbreaker(tough, severe, painful, trying)
1
bothersome(tough, severe, painful, trying)
1
burdensome(tough, severe, painful, trying)
1
challenging(tough, severe, painful, trying)
1
crucial(tough, severe, painful, trying)
1
demanding(tough, severe, painful, trying)
1
difficile(tough, severe, painful, trying)
1
difficult(adjective, hard, tough, trying)
1
easier said than done(expression, tough, severe, painful)
1
effortful(tough, severe, painful, trying)
1
exacting(tough, severe, painful, trying)
1
galling(tough, severe, painful, trying)
1
hard-won(tough, severe, painful, trying)
1
irritating(tough, severe, painful, trying)
1
labored(tough, severe, painful, trying)
1
laborious(tough, severe, painful, trying)
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APASmart Define. (2016). immense thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/immense/thesaurus/synonyms
ChicagoSmart Define. 2016. "immense thesaurus" https://smartdefine.org/immense/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2016, immense thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/immense/thesaurus/synonyms>.
MLASmart Define. "immense thesaurus" 29 March 2016. Web. 20 September 2026. <https://smartdefine.org/immense/thesaurus/synonyms>