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Swear by has 9 synonyms. The top synonyms for swear by are swear, rest on, rely on, rely, reckon on, lean on, gamble on, believe and 1 more. Another word for swear by is swear. Browse the full list below.
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| Random | DefinitionA common synonym for swear by is swear. Other synonyms include rest on, rely on, rely, reckon on.
Swear by has 9 synonyms listed on Thesaurasize.
(v): to wholeheartedly trust Example: "I swear by my Petit Larousse when it comes to learning French."
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