Synonyms|30Antonyms|0|Broader|0Narrower|0Related|8
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swear(promise, vow)
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swear on oath(expression, idiom)
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swear under oath(expression, idiom)
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swears
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swore
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to swear
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undertake(promise, swear, vow)
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vouch(promise, swear, vow)
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vouchsafe(promise, swear, vow)
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vow(promise, swear)
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APASmart Define. (2013). swear an oath thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/swear_an_oath/thesaurus/synonyms
ChicagoSmart Define. 2013. "swear an oath thesaurus" https://smartdefine.org/swear_an_oath/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2013, swear an oath thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/swear_an_oath/thesaurus/synonyms>.
MLASmart Define. "swear an oath thesaurus" 19 May 2013. Web. 29 September 2026. <https://smartdefine.org/swear_an_oath/thesaurus/synonyms>