279 entries under adjective topic. ×

2
hairy(hard, severe, rough, difficult)
2
harrowing(difficult, unpleasant, grim, savage)
2
harsh
2
heedful(thorough, meticulous, painstaking)
2
hefty(dull, harsh, cruel, boring)
2
impassioned(difficult, vigorous, stressful)
2
intricate(tough, severe, difficult, awkward)
2
knockabout(action, rough)
2
painstaking(thorough, exertion, meticulous)
2
particular(thorough, meticulous, painstaking)
2
passionate
2
persnickety(thorough, meticulous, painstaking)
2
picky(thorough, meticulous, painstaking)
2
potent(strong, tough, energetic, powerful)
2
prolific
2
punctilious(thorough, meticulous, painstaking)
2
punctual(thorough, meticulous, painstaking)
2
rough-and-tumble(action, rough)
2
scrupulous(thorough, meticulous, painstaking)
2
slavish(tough, rough, difficult, heavy)
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APASmart Define. (2016). strenuous thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/strenuous/thesaurus/synonyms
ChicagoSmart Define. 2016. "strenuous thesaurus" https://smartdefine.org/strenuous/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2016, strenuous thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/strenuous/thesaurus/synonyms>.
MLASmart Define. "strenuous thesaurus" 1 April 2016. Web. 25 September 2026. <https://smartdefine.org/strenuous/thesaurus/synonyms>