50 entries under strenuous topic. ×

1
strong(adjective, difficult, intense, violent, fierce)
1
thrilling(adjective, strong, difficult, intense, violent)
1
vehement(adjective, strong, difficult, intense, violent)
1
violent(adjective, strong, difficult, intense, eager)
1
warm(adjective, strong, difficult, intense, violent)
1
zealous(adjective, strong, difficult, intense, violent)
0
demanding(difficult, stressful)
0
difficult
0
pressured(difficult, stressful)
0
relentless(difficult, stressful)
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APASmart Define. (2016). quickened thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/quickened/thesaurus/synonyms
ChicagoSmart Define. 2016. "quickened thesaurus" https://smartdefine.org/quickened/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, quickened thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/quickened/thesaurus/synonyms>.
MLASmart Define. "quickened thesaurus" 1 April 2016. Web. 23 September 2026. <https://smartdefine.org/quickened/thesaurus/synonyms>