153 entries under tough topic. ×

1
difficile(adjective, severe, rough, difficult)
1
distressing(adjective, severe, rough, difficult)
1
domineering(adjective, smart, harsh, energetic)
1
driving(adjective, strong, energetic, powerful)
1
easier said than done(expression, severe, painful, problematic)
1
effective(adjective, strong, energetic, powerful)
1
efficient(adjective, strong, intense, energetic)
1
fierce(difficult, intense, heavy, demanding)
1
flip(adjective, smart, energetic, vigorous)
1
flourishing(adjective, strong, intense, energetic)
1
galling(severe, harsh, heavy, painful)
1
gargantuan(strong, severe, powerful, painful)
1
get up and go(expression, adjective, idiom, smart)
1
go after(expression, adjective, smart, energetic)
1
grim(severe, problematic, weighty, trying)
1
hale(adjective, strong, intense, energetic)
1
hard-driving(adjective, strong, intense, energetic)
1
hard-won(severe, painful, problematic, trying)
1
hard sell(expression, adjective, smart, energetic)
1
hardy(adjective, strong, intense, energetic)
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APASmart Define. (2016). strenuous thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/strenuous/thesaurus/synonyms
ChicagoSmart Define. 2016. "strenuous thesaurus" https://smartdefine.org/strenuous/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2016, strenuous thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/strenuous/thesaurus/synonyms>.
MLASmart Define. "strenuous thesaurus" 1 April 2016. Web. 28 September 2026. <https://smartdefine.org/strenuous/thesaurus/synonyms>