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Antonyms for Toughened. (2016). Retrieved 2026, July 26, from https://thesaurus.plus/antonyms/toughened
Antonyms for Toughened. N.p., 2016. Web. 26 Jul. 2026. <https://thesaurus.plus/antonyms/toughened>.
Antonyms for Toughened. 2016. Accessed July 26, 2026. https://thesaurus.plus/antonyms/toughened.