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backbreaker(adjective, mild, demanding)
13 years ago|320 views|share |citing 
APASmart Define. (2013). unchallenging thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/unchallenging/thesaurus/antonyms
ChicagoSmart Define. 2013. "unchallenging thesaurus" https://smartdefine.org/unchallenging/thesaurus/antonyms (accessed September 21, 2026).
HarvardSmart Define 2013, unchallenging thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/unchallenging/thesaurus/antonyms>.
MLASmart Define. "unchallenging thesaurus" 28 June 2013. Web. 21 September 2026. <https://smartdefine.org/unchallenging/thesaurus/antonyms>