Synonyms|24Antonyms|0|Broader|4Narrower|1Related|0
1
difficulty
1
sternness
0
difficultness
0
strictness
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APASmart Define. (2013). rigourousness thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/rigourousness/thesaurus/broader
ChicagoSmart Define. 2013. "rigourousness thesaurus" https://smartdefine.org/rigourousness/thesaurus/broader (accessed September 22, 2026).
HarvardSmart Define 2013, rigourousness thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/rigourousness/thesaurus/broader>.
MLASmart Define. "rigourousness thesaurus" 17 June 2013. Web. 22 September 2026. <https://smartdefine.org/rigourousness/thesaurus/broader>